{"product_id":"uni-nanodia-05mm-3h-pencil-lead-2-pack","title":"Uni NanoDia 0.5mm 3H Pencil Lead 2-Pack","description":"\u003ch2\u003eUni NanoDia 0.5mm 3H Pencil Lead 2-Pack\u003c\/h2\u003e\u003cp\u003eThe Uni NanoDia 0.5mm 3H Mechanical Pencil Lead 2-pack provides the crisp durability and fine point stability required for technical drafting, architectural layouts, and accounting. Manufactured in Japan by Mitsubishi Pencil, each lead core incorporates approximately 400 million nano-diamond particles within a dense graphite structure. The hard 3H formulation resists snapping under firm writing pressure while yielding sharp, uniform, smudge-resistant lines that will not smear across notebooks, drafting vellum, or ledger paper.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNano-Diamond Infused Matrix:\u003c\/strong\u003e Nanoscale diamond particles reinforce core integrity, dramatically minimizing breakages on dense paper.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard 3H Technical Grade:\u003c\/strong\u003e Maintains an ultra-sharp point longer than softer grades, producing crisp, light-to-medium grey line work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Smudge Resistance:\u003c\/strong\u003e Leaves zero loose graphite dust, keeping drafting rulers, templates, and hands clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic Sliding Dispenser:\u003c\/strong\u003e Smooth thumb-slide case allows effortless, single-lead dispensing while guarding refills against damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue 80-Lead Pack:\u003c\/strong\u003e Includes 2 protective cases with 40 leads each (80 leads total) for continuous professional drawing and study.\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-3H\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 3H (Hard Technical Drafting)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 80 Leads (2 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\u003eHow does 3H compare to 4H and 2H lead?\u003c\/strong\u003e 3H is slightly darker and softer than 4H, but firmer and more wear-resistant than 2H, providing clean visibility with minimal point wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs this lead suitable for general writing?\u003c\/strong\u003e Yes, writers with a heavy hand who frequently break HB lead will appreciate the break resistance and clean, smudge-free performance of 3H.\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, Pentel, Pilot, and Rotring models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes 3H lead erase cleanly?\u003c\/strong\u003e Yes, 3H graphite erases smoothly without smearing or embedding deep into the paper grain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many total leads are included in this bundle?\u003c\/strong\u003e The package contains 2 tubes of 40 leads each, providing 80 total leads.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni","offers":[{"title":"Default Title","offer_id":47485535518754,"sku":"UNI-LEAD-U05202ND3H","price":10.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/51lIjxwc-QL._AC_SL1000.jpg?v=1789008751","url":"https:\/\/www.xypen.com\/products\/uni-nanodia-05mm-3h-pencil-lead-2-pack","provider":"XYPen","version":"1.0","type":"link"}