{"title":"TWSBI Diamond 580","description":"\u003cp data-mce-fragment=\"1\"\u003eThe Diamond 580 is the classic TWSBI pen - the culmination of the line they've been gradually improving for years, and it's \u003cem data-mce-fragment=\"1\"\u003ereally\u003c\/em\u003e good now.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe piston filling mechanism works well and smoothly, and holds plenty of ink. The clear barrel means you can see when you're running low well in advance, so you don't run out of ink unexpectedly. The style is perfectly TWSBI - crystal clear, cut into a facetted pattern that catches the light, giving the pens their name. The steel nibs are reliably good, and the size and shape is nicely comfortable for most people.\u003c\/p\u003e","products":[{"product_id":"twsbi-diamond-580-clear-fountain-pen-5829","title":"TWSBI Diamond 580 Clear Fountain Pen","description":"\u003cp\u003eTWSBI Diamond 580 Fountain Pen Clear. Transparent barrel reveals the filling mechanism, a built-in piston-filler with a very smooth action. Chromed metal trim and pocket clip. TWSBI logo nicely finishes the top of the pen's cap. Rubber o-ring on cap thread ensures an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/p\u003e\n\u003cp\u003eDiamond-faceted barrel ensures pen will not roll away if left uncapped on a desk.\u003c\/p\u003e\n\u003cp\u003ePolished steel nib engraved with TWSBI logo and branding, available in a wide range of nib sizes: fine, medium, broad, extra-fine, stub 1.1mm and stub 1.5mm.\u003c\/p\u003e\n\u003cp\u003e141mm long closed, 130mm long open, 176mm long posted. 12.9mm max barrel diameter, grip section tapers down to 9.5mm. Weighs 28g.\u003c\/p\u003e\n\u003cp\u003eNote: piston-filler pens cannot use cartridges.\u003c\/p\u003e\n\u003cp\u003eSupplied gift-boxed.\u003c\/p\u003e\n\u003cp\u003eLike all TWSBI fountain pens we stock, this pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/p\u003e","brand":"TWSBI","offers":[{"title":"Extra Fine","offer_id":42743933731006,"sku":"M7443110","price":56.0,"currency_code":"USD","in_stock":false},{"title":"Fine","offer_id":42743933763774,"sku":"M7443120","price":56.0,"currency_code":"USD","in_stock":false},{"title":"Medium","offer_id":42743933796542,"sku":"M7443130","price":56.0,"currency_code":"USD","in_stock":false},{"title":"Broad","offer_id":42743933829310,"sku":"M7443140","price":56.0,"currency_code":"USD","in_stock":false},{"title":"1.1 Stub","offer_id":42743933862078,"sku":"M7443150","price":56.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/7564\/2046\/files\/TWSBI-Diamond-580-Clear-Fountain-Pen-2.jpg?v=1762904537"},{"product_id":"twsbi-diamond-580-smoke-rose-gold-ii-fountain-pen","title":"TWSBI Diamond 580 Smoke Rose Gold II Fountain Pen","description":"\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 TWSBI's 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, they 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. They 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\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe nib, cap metal accents, inner mechanism, end cap metal accents are now all Rose Gold plated.  The cap resin, grip section, and piston knob are all smoky grey.\u003c\/span\u003e\u003c\/p\u003e","brand":"TWSBI","offers":[{"title":"Extra Fine","offer_id":42743934255294,"sku":"m7447590","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":42743934288062,"sku":"M744600","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":42743934320830,"sku":"M7447610","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":42743934353598,"sku":"M7447610","price":89.0,"currency_code":"USD","in_stock":false},{"title":"1.1 Stub","offer_id":42743934386366,"sku":"M7447610","price":89.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/7564\/2046\/products\/2f8f40d8-38a6-409d-8550-0984137ccb3c_1024x1024_e8462292-004a-4036-b85c-6f5ac53593cb.png?v=1684741762"},{"product_id":"twsbi-diamond-580-iris-fountain-pen","title":"TWSBI Diamond 580 Iris Fountain Pen","description":"\u003cp\u003eThe ever popular TWSBI Diamond 580 is now available with an iridescent finish. \u003c\/p\u003e\n\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. The goal was to bring the past back to life by creating a traditional fountain pen that even modern day society can appreciate.\u003c\/p\u003e\n\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, they 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. They 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\/p\u003e","brand":"TWSBI","offers":[{"title":"Extra Fine","offer_id":42744169136318,"sku":"m7449260","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":42744169169086,"sku":"m7449270","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":42744169201854,"sku":"m7449280","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":42744169234622,"sku":"TD580I","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Stub","offer_id":42744169267390,"sku":"M7449300","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/7564\/2046\/files\/TWSBI-Diamond-580-Iris-Fountain-Pen.jpg?v=1732988924"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/7564\/2046\/collections\/TWSBI_Diamond_580_Fountain_Pen.webp?v=1732991603","url":"https:\/\/bertramsinkwell.mom\/collections\/twsbi-diamond-580-fountain-pen.oembed","provider":"Bertram's Inkwell","version":"1.0","type":"link"}