Product Overview: ‣ Spare leads for 0.9mm mechanical pencils, 2B hardness, packaged in a convenient blister tub. Key Features: ‣ 2B hardness for dark, bold lines. ‣ 0.9mm lead size for smooth writing and sketching. ‣ Durable leads designed to resist breaking. Technical Specifications: ‣ Lead Size: 0.9mm ‣ Hardness: 2B ‣ Quantity: 12 pieces per tub