{"title":"TWSBI Diamond 580 Fountain Pen Collection","description":"","products":[{"product_id":"twsbi-diamond-580-fountain-pen-clear","title":"TWSBI Diamond 580 Fountain Pen - Clear","description":"\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eThe Diamond 580 is a workhorse of a pen, featuring a piston filling mechanism, a smooth-writing steel nib, a screw-on cap with an interior cap to keep ink from drying out, and a beautiful faceted demonstrator body.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan\u003eBy fusing the traditional mechanisms of the fountain pen with a modern industrial design, we have created an eye-catching fountain pen that is simultaneously appreciative of the past and relevant in the present. The Diamond 580 comes with a benchmark ink-filling mechanism and has all detachable parts. We felt that it was important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Choose a Nib Size:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIf you write small, go with Extra-Fine\u003c\/li\u003e\n\u003cli\u003eFor everyday use, Fine is a great choice\u003c\/li\u003e\n\u003cli\u003eIf you tend to write on the larger size, Medium is perfect and does provide a smoother ink flow\u003c\/li\u003e\n\u003cli\u003eBold is for statements - Sign a check, write a header or show off your shimmering\/sheening ink\u003c\/li\u003e\n\u003cli\u003eStub\u003cb\u003e \u003c\/b\u003enibs are used for an italic\/calligraphy writing style with the down strokes being wide and the side strokes thin.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":43242907795696,"sku":"M7443110","price":55.99,"currency_code":"USD","in_stock":false},{"title":"Fine","offer_id":43242907828464,"sku":"M7443120","price":55.99,"currency_code":"USD","in_stock":false},{"title":"Medium","offer_id":43242907861232,"sku":"M7443130","price":55.99,"currency_code":"USD","in_stock":false},{"title":"Broad","offer_id":43242907894000,"sku":"M7443140","price":55.99,"currency_code":"USD","in_stock":false},{"title":"Stub 1.1","offer_id":43210813636848,"sku":"M7443150","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2424\/5488\/files\/Diamond580FPclear.png?v=1684533064"},{"product_id":"twsbi-diamond-580alr-fountain-pen-nickel-gray","title":"TWSBI Diamond 580ALR Fountain Pen - Nickel Gray","description":"\u003cp\u003e\u003cspan style=\"color: #000000;\" data-mce-style=\"color: #000000;\"\u003eThe Diamond 580ALR Nickel Gray Fountain Pen is a workhorse of a pen, featuring a piston filling mechanism, a smooth-writing steel nib, a screw-on cap with an interior cap to keep ink from drying out, and a beautiful faceted demonstrator body with an \u003c\/span\u003e\u003cspan style=\"color: #000000; font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003ealuminum\u003c\/span\u003e\u003cspan style=\"color: #000000; font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e machined \u003c\/span\u003egrip, connector, and piston rod. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" data-mce-style=\"color: #000000;\"\u003e\u003cspan\u003eBy fusing the traditional mechanisms of the fountain pen with a modern industrial design, we have created an eye-catching fountain pen that is simultaneously appreciative of the past and relevant in the present. The Diamond 580 comes with a benchmark ink-filling mechanism and has all detachable parts. We felt that it was important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Choose a Nib Size:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIf you write small, go with Extra-Fine\u003c\/li\u003e\n\u003cli\u003eFor everyday use, Fine is a great choice\u003c\/li\u003e\n\u003cli\u003eIf you tend to write on the larger size, Medium is perfect and does provide a smoother ink flow\u003c\/li\u003e\n\u003cli\u003eBold is for statements - Sign a check, write a header or show off your shimmering\/sheening ink\u003c\/li\u003e\n\u003cli\u003eStub\u003cb\u003e \u003c\/b\u003enibs are used for an italic\/calligraphy writing style with the down strokes being wide and the side strokes thin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":43242910843120,"sku":"M7447050","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":43242910875888,"sku":"M7447060","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":43242910908656,"sku":"M7447070","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":43242910810352,"sku":"M7447080","price":72.99,"currency_code":"USD","in_stock":true},{"title":"1.1 Stub","offer_id":43210816520432,"sku":"M7447090","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2424\/5488\/files\/Diamond580FPALRnickelgrey.png?v=1684533254"},{"product_id":"twsbi-diamond-580-fountain-pen-smoke-rose-gold-ii","title":"TWSBI Diamond 580 Fountain Pen - Smoke Rose Gold II","description":"\u003cp\u003eAfter a long wait, the rose-gold Diamond 580 is back and better than ever. Now with a translucent smoke cap and piston knob, the rose gold trim and nib on this pen stand out beautifully. \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eThe Diamond 580 is a workhorse of a pen, featuring a piston filling mechanism, a smooth-writing steel nib, a screw-on cap with an interior cap to keep ink from drying out, and a beautiful faceted demonstrator body.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan\u003eBy fusing the traditional mechanisms of the fountain pen with a modern industrial design, we have created an eye-catching fountain pen that is simultaneously appreciative of the past and relevant in the present. The Diamond 580 comes with a benchmark ink-filling mechanism and has all detachable parts. We felt that it was important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Choose a Nib Size:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIf you write small, go with Extra-Fine\u003c\/li\u003e\n\u003cli\u003eFor everyday use, Fine is a great choice\u003c\/li\u003e\n\u003cli\u003eIf you tend to write on the larger size, Medium is perfect and does provide a smoother ink flow\u003c\/li\u003e\n\u003cli\u003eBold is for statements - Sign a check, write a header or show off your shimmering\/sheening ink\u003c\/li\u003e\n\u003cli\u003eStub\u003cb\u003e \u003c\/b\u003enibs are used for an italic\/calligraphy writing style with the down strokes being wide and the side strokes thin.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":43242914087152,"sku":"M7447590","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":43242914119920,"sku":"M7447600","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":43242914152688,"sku":"M7447610","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":43242914185456,"sku":"M7447620","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Stub 1.1","offer_id":43210818584816,"sku":"M7447630","price":88.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2424\/5488\/files\/Diamond580FPsmokerosegold.png?v=1684533271"},{"product_id":"twsbi-diamond-580alr-fountain-pen-prussian-blue","title":"TWSBI Diamond 580ALR Fountain Pen - Prussian Blue","description":"\u003cp\u003e\u003cspan style=\"color: #000000;\" data-mce-style=\"color: #000000;\"\u003eThe Diamond 580ALR Prussian Blue Fountain Pen is a workhorse of a pen, featuring a piston filling mechanism, a smooth-writing steel nib, a screw-on cap with an interior cap to keep ink from drying out, and a beautiful faceted demonstrator body with an \u003c\/span\u003e\u003cspan style=\"color: #000000; font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003ealuminum\u003c\/span\u003e\u003cspan style=\"color: #000000; font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e machined \u003c\/span\u003egrip, connector, and piston rod. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" data-mce-style=\"color: #000000;\"\u003e\u003cspan\u003eBy fusing the traditional mechanisms of the fountain pen with a modern industrial design, we have created an eye-catching fountain pen that is simultaneously appreciative of the past and relevant in the present. The Diamond 580 comes with a benchmark ink-filling mechanism and has all detachable parts. We felt that it was important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Choose a Nib Size:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIf you write small, go with Extra-Fine\u003c\/li\u003e\n\u003cli\u003eFor everyday use, Fine is a great choice\u003c\/li\u003e\n\u003cli\u003eIf you tend to write on the larger size, Medium is perfect and does provide a smoother ink flow\u003c\/li\u003e\n\u003cli\u003eBold is for statements - Sign a check, write a header or show off your shimmering\/sheening ink\u003c\/li\u003e\n\u003cli\u003eStub\u003cb\u003e \u003c\/b\u003enibs are used for an italic\/calligraphy writing style with the down strokes being wide and the side strokes thin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":43242914218224,"sku":"M7447920","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":43242914316528,"sku":"M7447930","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":43242914250992,"sku":"M7447940","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":43242914283760,"sku":"M7447950","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Stub 1.1","offer_id":43210818846960,"sku":"M7447960","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2424\/5488\/files\/Diamond580FPALRprussianblue.png?v=1684533320"},{"product_id":"twsbi-diamond-580alr-fountain-pen-navy-blue","title":"TWSBI Diamond 580ALR Fountain Pen - Navy Blue","description":"\u003cdiv dir=\"ltr\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" data-mce-style=\"color: #000000;\"\u003eThe Diamond 580ALR Navy Blue Fountain Pen is a workhorse of a pen, featuring a piston filling mechanism, a smooth-writing steel nib, a screw-on cap with an interior cap to keep ink from drying out, and a beautiful faceted demonstrator body with an \u003c\/span\u003e\u003cspan style=\"color: #000000; font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003ealuminum\u003c\/span\u003e\u003cspan style=\"color: #000000; font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e machined \u003c\/span\u003egrip, connector, and piston rod. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" data-mce-style=\"color: #000000;\"\u003e\u003cspan\u003eBy fusing the traditional mechanisms of the fountain pen with a modern industrial design, we have created an eye-catching fountain pen that is simultaneously appreciative of the past and relevant in the present. The Diamond 580 comes with a benchmark ink-filling mechanism and has all detachable parts. We felt that it was important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Choose a Nib Size:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIf you write small, go with Extra-Fine\u003c\/li\u003e\n\u003cli\u003eFor everyday use, Fine is a great choice\u003c\/li\u003e\n\u003cli\u003eIf you tend to write on the larger size, Medium is perfect and does provide a smoother ink flow\u003c\/li\u003e\n\u003cli\u003eBold is for statements - Sign a check, write a header or show off your shimmering\/sheening ink\u003c\/li\u003e\n\u003cli\u003eStub\u003cb\u003e \u003c\/b\u003enibs are used for an italic\/calligraphy writing style with the down strokes being wide and the side strokes thin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":43242915496176,"sku":"M7448020","price":72.99,"currency_code":"USD","in_stock":false},{"title":"Fine","offer_id":43242915528944,"sku":"M7448030","price":72.99,"currency_code":"USD","in_stock":false},{"title":"Medium","offer_id":43242915561712,"sku":"M7448040","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":43242915594480,"sku":"M7448050","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Stub 1.1","offer_id":43210822516976,"sku":"M7448060","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2424\/5488\/files\/Diamond580FPnavyblueALR.png?v=1684533363"},{"product_id":"twsbi-diamond-580-fountain-pen-white-rose-gold-ii","title":"TWSBI Diamond 580 Fountain Pen - White Rose Gold II","description":"\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eThe Diamond 580 is a workhorse of a pen, featuring a piston filling mechanism, a smooth-writing steel nib, a screw-on cap with an interior cap to keep ink from drying out, and a beautiful faceted demonstrator body.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan\u003eBy fusing the traditional mechanisms of the fountain pen with a modern industrial design, we have created an eye-catching fountain pen that is simultaneously appreciative of the past and relevant in the present. The Diamond 580 comes with a benchmark ink-filling mechanism and has all detachable parts. We felt that it was important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Choose a Nib Size:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIf you write small, go with Extra-Fine\u003c\/li\u003e\n\u003cli\u003eFor everyday use, Fine is a great choice\u003c\/li\u003e\n\u003cli\u003eIf you tend to write on the larger size, Medium is perfect and does provide a smoother ink flow\u003c\/li\u003e\n\u003cli\u003eBold is for statements - Sign a check, write a header or show off your shimmering\/sheening ink\u003c\/li\u003e\n\u003cli\u003eStub\u003cb\u003e \u003c\/b\u003enibs are used for an italic\/calligraphy writing style with the down strokes being wide and the side strokes thin.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":43242916348144,"sku":"M7449010","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":43242916315376,"sku":"M7449020","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":43242916282608,"sku":"M7449030","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":43242916249840,"sku":"M7449040","price":88.99,"currency_code":"USD","in_stock":true},{"title":"1.1 Stub","offer_id":43210824122608,"sku":"M7449050","price":88.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2424\/5488\/files\/Diamond580FP.whiterosegold_46aa8cc9-d517-40ee-8c76-c11fa81b5346.png?v=1684533398"},{"product_id":"twsbi-diamond-580-fountain-pen-iris","title":"TWSBI Diamond 580 Fountain Pen - Iris","description":"\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eThe Diamond 580 is a workhorse of a pen, featuring a piston filling mechanism, a smooth-writing steel nib, a screw-on cap with an interior cap to keep ink from drying out, and a beautiful faceted demonstrator body.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan\u003eBy fusing the traditional mechanisms of the fountain pen with a modern industrial design, we have created an eye-catching fountain pen that is simultaneously appreciative of the past and relevant in the present. The Diamond 580 comes with a benchmark ink-filling mechanism and has all detachable parts. We felt that it was important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEvery single pen is slightly different and unique in its color, not one is exactly the same.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Choose a Nib Size:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIf you write small, go with Extra-Fine\u003c\/li\u003e\n\u003cli\u003eFor everyday use, Fine is a great choice\u003c\/li\u003e\n\u003cli\u003eIf you tend to write on the larger size, Medium is perfect and does provide a smoother ink flow\u003c\/li\u003e\n\u003cli\u003eBold is for statements - Sign a check, write a header or show off your shimmering\/sheening ink\u003c\/li\u003e\n\u003cli\u003eStub\u003cb\u003e \u003c\/b\u003enibs are used for an italic\/calligraphy writing style with the down strokes being wide and the side strokes thin.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":43755232788720,"sku":"M7449260","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":43755232821488,"sku":"M7449270","price":88.99,"currency_code":"USD","in_stock":false},{"title":"Medium","offer_id":43755232854256,"sku":"M7449280","price":88.99,"currency_code":"USD","in_stock":false},{"title":"Broad","offer_id":43755232755952,"sku":"M7449290","price":88.99,"currency_code":"USD","in_stock":true},{"title":"1.1 Stub","offer_id":43755232723184,"sku":"M7449300","price":88.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2424\/5488\/files\/Diamond580FP.Iris.png?v=1684533435"},{"product_id":"twsbi-diamond-580-alr-fountain-pen-black","title":"TWSBI Diamond 580 ALR Fountain Pen - Black","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWe are so excited to announce Twsbi's newest Diamond 580ALR Black! The Diamond 580ALR has aluminum accents and a ridged grip.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Diamond 580 is a workhorse of a pen, featuring a piston filling mechanism, a smooth-writing steel nib, a screw-on cap with an interior cap to keep ink from drying out, and a beautiful faceted demonstrator body.\u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":44866115830000,"sku":"M7440940","price":72.99,"currency_code":"USD","in_stock":false},{"title":"Fine","offer_id":44866115862768,"sku":"M7440950","price":72.99,"currency_code":"USD","in_stock":false},{"title":"Medium","offer_id":44866115895536,"sku":"M7440960","price":72.99,"currency_code":"USD","in_stock":false},{"title":"Broad","offer_id":44866115928304,"sku":"M7440970","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Stub 1.1","offer_id":44866115961072,"sku":"M7440980","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2424\/5488\/files\/DSC08893.jpg?v=1704480049"},{"product_id":"twsbi-diamond-580al-fountain-pen-iceberg-blue","title":"TWSBI Diamond 580AL Fountain Pen - Iceberg Blue","description":"\u003cp\u003e\u003cspan style=\"color: #000000;\" data-mce-style=\"color: #000000;\"\u003eThe Diamond 580AL Iceberg Blue Fountain Pen is a workhorse of a pen, featuring a piston filling mechanism, a smooth-writing steel nib, a screw-on cap with an interior cap to keep ink from drying out, and a beautiful faceted demonstrator body with an \u003c\/span\u003e\u003cspan style=\"color: #000000; font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003ealuminum\u003c\/span\u003e\u003cspan style=\"color: #000000; font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e machined \u003c\/span\u003egrip, connector, and piston rod. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" data-mce-style=\"color: #000000;\"\u003e\u003cspan\u003eBy fusing the traditional mechanisms of the fountain pen with a modern industrial design, we have created an eye-catching fountain pen that is simultaneously appreciative of the past and relevant in the present. The Diamond 580 comes with a benchmark ink-filling mechanism and has all detachable parts. We felt that it was important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Choose a Nib Size:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIf you write small, go with Extra-Fine\u003c\/li\u003e\n\u003cli\u003eFor everyday use, Fine is a great choice\u003c\/li\u003e\n\u003cli\u003eIf you tend to write on the larger size, Medium is perfect and does provide a smoother ink flow\u003c\/li\u003e\n\u003cli\u003eBold is for statements - Sign a check, write a header or show off your shimmering\/sheening ink\u003c\/li\u003e\n\u003cli\u003eStub\u003cb\u003e \u003c\/b\u003enibs are used for an italic\/calligraphy writing style with the down strokes being wide and the side strokes thin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":45934077083888,"sku":"M7441040","price":72.99,"currency_code":"USD","in_stock":false},{"title":"Fine","offer_id":45934077116656,"sku":"M7441050","price":72.99,"currency_code":"USD","in_stock":false},{"title":"Medium","offer_id":45934077149424,"sku":"M7441060","price":72.99,"currency_code":"USD","in_stock":false},{"title":"Broad","offer_id":45934077182192,"sku":"M7441070","price":72.99,"currency_code":"USD","in_stock":false},{"title":"Stub 1.1","offer_id":45934090158320,"sku":"M7441080","price":72.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2424\/5488\/files\/TWSBIDiamond580ALFountainPen-IcebergBlue.png?v=1715272029"},{"product_id":"twsbi-diamond-580-alr-fountain-pen-caribbean-with-onyx","title":"TWSBI Diamond 580 ALR Fountain Pen - Caribbean with Onyx","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWe are so excited to announce Twsbi's newest Diamond 580ALR Caribbean with Onyx! The Diamond 580ALR has aluminum accents and a ridged grip.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Diamond 580 is a workhorse of a pen, featuring a piston filling mechanism, a smooth-writing steel nib, a screw-on cap with an interior cap to keep ink from drying out, and a beautiful faceted demonstrator body.\u003c\/p\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":46782368088304,"sku":"M7441190","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":46782368121072,"sku":"M7441200","price":88.99,"currency_code":"USD","in_stock":false},{"title":"Medium","offer_id":46782368153840,"sku":"M7441210","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":46782368186608,"sku":"M7441220","price":88.99,"currency_code":"USD","in_stock":false},{"title":"Stub 1.1","offer_id":46782368219376,"sku":"M7441230","price":88.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2424\/5488\/files\/580ALR_Caribbean_Oynx022_grande_2553d53f-aa01-4bee-95bf-ed467d1c368c.webp?v=1733434870"},{"product_id":"twsbi-diamond-580alr-fountain-pen-affogato-with-onyx-trim","title":"TWSBI Diamond 580ALR Fountain Pen - Affogato with Onyx Trim","description":"\u003cp\u003e\u003c!-- notionvc: ed8518d1-86d7-473e-828c-161d148c978e --\u003eThe Diamond 580ALR comes with a benchmark piston ink-filling mechanism. It's clear and comes with all detachable parts.\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eThe pen is very nicely made. It feels solid and of high quality. The nib is smooth with a little feedback.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe idea behind the TWSBI Diamond 530, 540, and 580 was to go back to basics and capture the simplicity and elegance of traditional writing instruments. In recent years, the development and modernization of writing instruments has resulted in traditional writing instruments, such as fountain pens, falling into obscurity. It was our goal to bring the past back to life by creating a traditional fountain pen that even modern day society can appreciate.\u003c\/p\u003e\n\u003cp\u003eTWSBI Diamond 580, a classic fountain pen with a piston ink-filling system. By fusing the traditional mechanisms of the fountain pen with a modern industrial design, we have created an eye-catching fountain pen that is simultaneously appreciative of the past and relevant in the present. The Diamond 580 comes with a benchmark ink-filling mechanism and has all detachable parts. We felt that it was important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen.\u003cbr\u003e\u003cbr\u003eThe main difference between 580AL and 580ALR is that ALR comes with the matte finish, subtile details on the grip and cap.\u003c\/p\u003e\n\u003cdiv class=\"col-xs-12 no-pad tech-tab-row\"\u003e\n\u003cdiv class=\"col-xs-5 technical-tab-key\"\u003e\n\u003cul\u003e\n\u003cli\u003eBody Material: Resin\u003c\/li\u003e\n\u003cli\u003eCap Type: Screw-cap\u003c\/li\u003e\n\u003cli\u003eCompatible inks \u0026amp; refills: Bottled inks\u003c\/li\u003e\n\u003cli\u003eFilling Mechanism: Piston\u003c\/li\u003e\n\u003cli\u003eNib Material: Steel\u003c\/li\u003e\n\u003cli\u003eDiameter: 0.5\"\u003c\/li\u003e\n\u003cli\u003eLength: 5.1\"\u003c\/li\u003e\n\u003cli\u003eMax Ink Capacity: 1.98ml\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Twsbi","offers":[{"title":"Extra Fine","offer_id":47920379232496,"sku":"M7441340","price":88.99,"currency_code":"USD","in_stock":false},{"title":"Fine","offer_id":47920379265264,"sku":"M7441350","price":88.99,"currency_code":"USD","in_stock":false},{"title":"Medium","offer_id":47920379298032,"sku":"M7441360","price":88.99,"currency_code":"USD","in_stock":false},{"title":"Broad","offer_id":47920379330800,"sku":"M7441370","price":88.99,"currency_code":"USD","in_stock":false},{"title":"Stub 1.1","offer_id":47920379363568,"sku":"M7441380","price":88.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2424\/5488\/files\/580ALR-Affogato-03.webp?v=1755268041"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2424\/5488\/collections\/Diamond_580_FP._Iris.png?v=1684946865","url":"https:\/\/www.dromgooles.mom\/collections\/twsbi-diamond-580.oembed","provider":"Dromgoole's Fine Writing Instruments","version":"1.0","type":"link"}