{"product_id":"uni-nanodia-05mm-f-pencil-lead-3-pack","title":"Uni NanoDia 0.5mm F Pencil Lead 3-Pack","description":"\u003ch2\u003eUni NanoDia 0.5mm F Pencil Lead 3-Pack\u003c\/h2\u003e\u003cp\u003eThe Uni NanoDia 0.5mm F Mechanical Pencil Lead 3-pack provides the ideal balance between crisp firmness and effortless writing smoothness. Manufactured in Japan by Mitsubishi Pencil, each lead core is reinforced with approximately 400 million nano-diamond particles to resist snapping under writing pressure. The specialized 'F' (Fine\/Firm) hardness grade holds a razor-sharp point longer than standard HB while laying down clean, dark lines without messy graphite debris or smudging. With 3 portable sliding cases providing 120 leads total, this set keeps students, accountants, and draftsmen fully supplied.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNano-Diamond Reinforced Matrix:\u003c\/strong\u003e Microscopic diamond particles strengthen graphite bonds for superior break resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirm F Hardness Grade:\u003c\/strong\u003e Positioned between H and HB for exceptional point retention, crisp lettering, and zero smearing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilky Low-Friction Glide:\u003c\/strong\u003e High-purity formulation glides effortlessly across paper without catching or scratching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Slide-Dispenser Case:\u003c\/strong\u003e Ergonomic thumb-slide dispenser releases single leads smoothly to prevent accidental spills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenerous 120-Lead Supply:\u003c\/strong\u003e Includes 3 individual cases containing 40 leads each, offering lasting value for daily drafting and note-taking.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Uni\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e NanoDia Low-Wear Leads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e U05202ND-F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Diameter:\u003c\/strong\u003e 0.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness Grade:\u003c\/strong\u003e F (Fine \/ Firm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 120 Leads (3 Packs of 40 Leads)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Length:\u003c\/strong\u003e 60 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat does the 'F' hardness grade mean?\u003c\/strong\u003e 'F' stands for Fine or Firm. It is slightly firmer than HB, offering superior point durability with nearly identical line darkness, making it perfect for small handwriting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAre these refills compatible with all 0.5mm mechanical pencils?\u003c\/strong\u003e Yes, they fit all standard 0.5mm mechanical pencils, including Uni Kuru Toga, Pilot, Pentel, and Rotring models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes nano-diamond lead smudge on notebook pages?\u003c\/strong\u003e No, the high-density nano-carbon formula binds cleanly to paper fibers, significantly reducing smudging and graphite dust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many total leads are included in this bundle?\u003c\/strong\u003e The bundle includes 3 separate cases of 40 leads each, for a total of 120 lead refills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhere are Uni NanoDia leads manufactured?\u003c\/strong\u003e They are engineered and produced in Japan to precise mechanical drafting standards.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni","offers":[{"title":"Default Title","offer_id":47485532143650,"sku":"UNI-LEAD-U05202NDF","price":13.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/71bTJDVYGeL._AC_SX569.jpg?v=1789008750","url":"https:\/\/www.xypen.com\/products\/uni-nanodia-05mm-f-pencil-lead-3-pack","provider":"XYPen","version":"1.0","type":"link"}