{"product_id":"gravitas-sentry-fountain-pen-ultem","title":"Gravitas Sentry Fountain Pen - Ultem","description":"\u003cp\u003eThe Sentry is the larger sibling of the Gravitas Entry, with a weighted section that keeps it comfortable and balanced. This version is machined from medical-grade Ultem with a frosted texture that shows the pen's inner workings, and it looks great converted to an eyedropper. The cap opens in 2.25 turns on double-start ACME threads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNib\u003c\/strong\u003e: Steel #6, black (JoWo #6 compatible)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFilling System\u003c\/strong\u003e: Cartridge \/ Converter (converter included)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e: Ultem, 304 Stainless Steel section (black PVD)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSection\u003c\/strong\u003e: 25mm, tapering from 13.25mm to 11.5mm\u003c\/p\u003e","brand":"Gravitas","offers":[{"title":"Extra Fine","offer_id":67649187348844,"sku":"GP-FP-SY-UT-3\/YL-SN6-EF","price":137.0,"currency_code":"USD","in_stock":false},{"title":"Fine","offer_id":67649187381612,"sku":"GP-FP-SY-UT-3\/YL-SN6-F","price":137.0,"currency_code":"USD","in_stock":false},{"title":"Medium","offer_id":67649187414380,"sku":"GP-FP-SY-UT-3\/YL-SN6-M","price":137.0,"currency_code":"USD","in_stock":false},{"title":"Broad","offer_id":67649187447148,"sku":"GP-FP-SY-UT-3\/YL-SN6-B","price":137.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0078\/5642\/2971\/files\/gravitas-irish-fountain-pens-sentry-ultem-new_2.png?v=1791305169","url":"https:\/\/www.atlasstationers.com\/products\/gravitas-sentry-fountain-pen-ultem","provider":"Atlas Stationers","version":"1.0","type":"link"}