Lemon Plastic Refill BLACK 50 For Mechanical Pencils, 0.5mm Lead, HB, 2 Dozen - Product Name: BLACK 50 - Use: For Mechanical Pencils - Lead Diameter: 0.5 mm - Hardness: HB - Quantity: 2 Dozen This is deadstock merchandise, so there may be scratches, scuffs, or dirt due to long-term storage. Please only purchase if you understand this. No claims, no returns.