0.5mm 2B 120mm Black Lead Pencil Refills Tube Box With Case For Mechanical Pencil Description: Color: Black lead Hardness: 2B Lead Diameter: 0.5mm Lead Length: 120mm Box Size: Approx.130x9mm Quantity: 1 tubes 1 tube contain 20 pieces. Feature: Fits all 0.5mm mechanical pencils. Package Included: 1 x 0.5mm Lead Refills Tube(20pcs) For Mechanical Pencil