DescriptionColor: Black leadLead Diameter: 0.5mmLead Length: 110mmBox Size: Approx.120x9mmQuantity: 5 tubes1 tube contain 20 pieces.Available hardness: 2H， HB， 2BFits all 0.5mm mechanical pencils.<br>Package Included:5x 0.5mm Lead Refills Tube(20pcs) For Mechanical Pencil