{"product_id":"twsbi-diamond-580-fountain-pen-clear","title":"TWSBI Diamond 580 Fountain Pen - Clear","description":"TWSBI Diamond 580 Fountain Pen — a masterpiece of traditional design meets modern engineering. This premium piston-fill fountain pen features an improved grip, larger barrel, and refined screw-cap threading. Hold 1.98ml of ink — a 30% increase from previous models.\u003cbr\u003e\u003cbr\u003eDesigned to honor classic fountain pen heritage while appealing to contemporary users, the Diamond 580 combines elegant simplicity with meticulous craftsmanship. The transparent barrel showcases the inking system and ink level at a glance.\u003cbr\u003e\u003cbr\u003eAll parts detach for complete customization and maintenance. Each pen arrives with a wrench and silicone grease for long-term care — no immediate use needed. The nib and feed are fragile; handle disassembly with care and follow included instructions.\u003cbr\u003e\u003cbr\u003eNote: This pen requires bottled fountain pen ink, sold separately.","brand":"TWSBI","offers":[{"title":"Extra Fine","offer_id":55227933163892,"sku":"4711467443113","price":105.0,"currency_code":"AUD","in_stock":true},{"title":"Fine","offer_id":55227933196660,"sku":"4711467443120","price":105.0,"currency_code":"AUD","in_stock":true},{"title":"Medium","offer_id":55227933229428,"sku":"4711467443137","price":105.0,"currency_code":"AUD","in_stock":true},{"title":"Broad","offer_id":55227933262196,"sku":"4711467443144","price":105.0,"currency_code":"AUD","in_stock":true},{"title":"1.1 Stub","offer_id":55227933294964,"sku":"4711467443151","price":105.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/2059\/3012\/files\/twsbi-diamon-580-fountain-pen-transparent-capped_2_041bc6e1-20c6-44c0-8e6e-9c376b98f264.webp?v=1788542264","url":"https:\/\/nibsternibs.com\/products\/twsbi-diamond-580-fountain-pen-clear","provider":"NibsterNibs","version":"1.0","type":"link"}