{"product_id":"uni-ball-zento-pen-refill","title":"ZENTO Pen Refill UBR-Z","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eUni Zento gel ink refill — pigment-based, water-resistant, and formulated with a surfactant that cushions the tip against the paper for a softer, more fluid stroke. Clean lines, minimal spread, long-lasting color.\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-based pigment ink\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLow-friction writing — POA surfactant cushions tip against paper\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eReduced feathering and bleed-through\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater and light resistant\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCompatible with Uni-ball Zento gel pens\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eModel: UBR-Z\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMade in Japan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni","offers":[{"title":"0.5mm \/ Black","offer_id":43435516887107,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"0.5mm \/ Blue","offer_id":43517212098627,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"0.38mm \/ Black","offer_id":43517210689603,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"0.38mm \/ Blue","offer_id":43517212131395,"sku":null,"price":3.0,"currency_code":"USD","in_stock":false},{"title":"0.7mm \/ Black","offer_id":43521527742531,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"0.7mm \/ Blue","offer_id":43521527775299,"sku":null,"price":3.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/6078\/2915\/files\/zentorefill_000.webp?v=1784921684","url":"https:\/\/theanalogstationer.com\/products\/uni-ball-zento-pen-refill","provider":"The Analog Stationer","version":"1.0","type":"link"}