{"product_id":"ohto-oil-ballpoint-refill-07-black-5pack","title":"Ohto R-4C7NP 0.7mm Refill 5-Pack","description":"\u003cp\u003eThe \u003cstrong\u003eOhto R-4C7NP 0.7mm Refill 5-Pack\u003c\/strong\u003e features premium Japanese D1-standard ballpoint cartridges engineered with Ohto’s legendary needle-point technology. Built from durable stainless steel and filled with low-viscosity black oil-based ink, these refills provide smooth, dark lines with zero blotching for compact multi-pens and slim executive pens.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Needle-Point Tip:\u003c\/strong\u003e Ultra-fine 0.7mm needle tip delivers a clear, unobstructed line of sight for neat handwriting and accurate ruling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow-Viscosity Soft Ink:\u003c\/strong\u003e Formulated for instant flow and minimal friction, producing deep black, smudge-resistant lines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard International D1 Profile:\u003c\/strong\u003e Universal 67.3mm × 2.3mm dimensions ensure seamless compatibility with multi-pens and compact pens across major brands.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Stainless Steel Body:\u003c\/strong\u003e Sturdy metallic casing prevents bending and ink drying over extended storage periods.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValue 5-Piece Multipack:\u003c\/strong\u003e Keeps your favorite daily multi-pens and executive pocket pens continuously supplied.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Ohto\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e R-4C7NP (5-Pack)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Standard D1 Refill\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTip Type:\u003c\/strong\u003e Needle Point (TC 0.7 mm ball)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk Color:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk Formulation:\u003c\/strong\u003e Low-Viscosity Oil-Based Ink\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 67.3 mm × 2.3 mm (Weight: 1.0 g per refill)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e Ohto MS02, MF-25B3, MF-20K3B, Rhodia Script, and all standard D1 multi-pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n  \u003ch3\u003eWhat is the size standard for this Ohto refill?\u003c\/h3\u003e\n  \u003cp\u003eThe R-4C7NP follows the universal international D1 standard, measuring 67.3 mm in length and 2.3 mm in diameter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n  \u003ch3\u003eWill these refills fit other brand multi-pens?\u003c\/h3\u003e\n  \u003cp\u003eYes, any multi-function pen or mini pen that accepts standard D1 refills (such as Zebra, Rotring, Lamy, Parker, and Rhodia multi-pens) can use this refill.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n  \u003ch3\u003eDoes the needle tip write smoothly without scratching?\u003c\/h3\u003e\n  \u003cp\u003eYes, Ohto's tungsten carbide (TC) ball inside the machined needle housing is engineered with low-viscosity ink for smooth, glide-like writing without paper tearing.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"OHTO","offers":[{"title":"Default Title","offer_id":50389176320034,"sku":"R-4C7NP5","price":20.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/R-4C7NP_BK-1-1.jpg?v=1789983995","url":"https:\/\/www.xypen.com\/products\/ohto-oil-ballpoint-refill-07-black-5pack","provider":"XYPen","version":"1.0","type":"link"}