Uni Ball Kuru Toga M5 450T Self Sharpening Mechanical Pencil. Premium Propelling Ultra Strong Diamond Infused Leads for Technical Drawing, Writing, Arts and Crafts & 12 Lead Refills. Fine 0.5mm

SELF-SHARPENING KURU TOGA MECHANISM: The innovative Kuru Toga engine rotates the lead as you write, maintaining a sharp point for consistent, precise lines and reduced lead wear 12 ULTRA-STRONG HB LEADS INCLUDED: Supplied with 12 diamond-infused HB Nano Dia leads for smooth writing, excellent durability, and increased resistance to breakage COMFORTABLE & PRECISE: Lightweight with a comfortable grip for improved control during writing, sketching, technical drawing, and everyday use REFILLABLE WITH BUILT-IN ERASER: Features a replaceable eraser under the push button and a refillable design for long-lasting performance IDEAL FOR EVERYDAY USE: Perfect for students, professionals, artists, and engineers, delivering reliable performance for writing, sketching, drafting, and technical drawing