0.5mm 2B Black Lead Pencil Refills Tube With Case For Automatic Mechanical Pencil Description: Color: Black lead Lead Diameter: 0.5mm Lead Length: 105mm Box Size: Approx.125 x 8 x 8mm Quantity: 1 tubes 1 tube contain 16 pieces. Feature: Fits all 0.5mm mechanical pencils. Package Included: 1 x 0.5mm Lead Refills Tube(16pcs) For Mechanical Pencil