{"product_id":"twsbi-diamond-580-alr-prussian-blue","title":"TWSBI Diamond 580 ALR Prussian Blue","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe TWSBI Diamond 580 fountain pen blends modern engineering with classic demonstrator style, making it one of the most beloved pens in the TWSBI lineup. Crafted with a faceted, diamond-cut barrel, the 580 beautifully showcases your ink while providing a comfortable, balanced writing experience for everyday use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBuilt with TWSBI’s signature piston-filling mechanism, the Diamond 580 offers a generous ink capacity and smooth, consistent flow. The transparent body allows you to monitor ink levels at a glance, while the precision-engineered stainless steel nib delivers a reliable and customizable writing experience. Designed to be user-serviceable, the 580 can be easily disassembled for cleaning and maintenance—perfect for fountain pen enthusiasts who love to tinker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAluminum machined grip, connector, and piston rod.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAL Models have a smooth grip section.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eALR Models have a ribbed textured grip section.\u003c\/span\u003e\u003c\/p\u003e","brand":"Pen Realm","offers":[{"title":"Extra Fine","offer_id":42736281092180,"sku":"M7447920","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":42736281124948,"sku":"M7447930","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":42736281157716,"sku":"M7447940","price":72.99,"currency_code":"USD","in_stock":false},{"title":"Broad","offer_id":42736281190484,"sku":"M7447950","price":72.99,"currency_code":"USD","in_stock":true},{"title":"1.1 Stub(NOT CUSTOMIZABLE)","offer_id":42736281223252,"sku":"M7447960","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/1141\/3076\/files\/TWSBIDiamond-580ALR-Prussian-Blue.jpg?v=1772581100","url":"https:\/\/penrealm.mom\/products\/twsbi-diamond-580-alr-prussian-blue","provider":"Pen Realm","version":"1.0","type":"link"}