Pilot Mechanical Pencil Leads 0.7mm HB are premium-quality graphite refills designed to deliver smooth, consistent writing and drawing performance. Manufactured for use with all compatible 0.7mm mechanical pencils, these durable leads produce clean, dark lines with reduced breakage, making them ideal for writing, sketching, technical drawing, mathematics, and everyday office or school use. The compact refill tube keeps leads protected and easy to dispense whenever needed.