{"product_id":"twsbi-vac-mini-fountain-pen-clear","title":"TWSBI Vac Mini Fountain Pen - Clear","description":"The TWSBI VAC Mini delivers premium vacuum-filling technology in a compact, portable design. Its transparent barrel showcases the innovative filling mechanism—simply twist, pull, and submerge the nib to draw ink up via vacuum pressure. No cartridges or converters needed.\u003cbr\u003e\u003cbr\u003eEngineered for travel, the VAC Mini features an ink shut-off valve that seals when fully tightened, preventing leaks at altitude. Loosen the knob to resume writing. The updated valve design offers improved ink flow compared to earlier models.\u003cbr\u003e\u003cbr\u003eBuilt for enthusiasts, these pens arrive with a wrench and silicone grease for long-term maintenance and disassembly. The feed is delicate—handle with care when taking apart. Bottled ink is required and sold separately.\u003cbr\u003e\u003cbr\u003eTWSBI combines quality craftsmanship with affordability, making advanced fountain pen engineering accessible.","brand":"TWSBI","offers":[{"title":"Extra Fine","offer_id":55227947483508,"sku":"4711467444387","price":105.0,"currency_code":"AUD","in_stock":true},{"title":"Fine","offer_id":55227947516276,"sku":null,"price":105.0,"currency_code":"AUD","in_stock":false},{"title":"Medium","offer_id":55227947549044,"sku":"4711467444400","price":105.0,"currency_code":"AUD","in_stock":true},{"title":"Broad","offer_id":55227947581812,"sku":null,"price":105.0,"currency_code":"AUD","in_stock":false},{"title":"1.1 Stub","offer_id":55227947614580,"sku":"4711467444424","price":105.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/2059\/3012\/files\/f77afe47-f80a-48cd-bb20-e9d42f02349a_a546adb1-aeff-4300-b16e-5c72cc306940.webp?v=1788542291","url":"https:\/\/nibsternibs.com\/products\/twsbi-vac-mini-fountain-pen-clear","provider":"NibsterNibs","version":"1.0","type":"link"}