DescriptionBox Size: Approx.78x20x6mmBlack Colour Leads: 0.9mm(diameter) 60mm(length)1 tube contain 36 pieces.Supplied in convenient swivel-top tubes.The lead has achieved dramatic improvement in strength and smoothness.It is standard lead used in all 0.9MM automatic pencils.<br>Package Included:1x 0.9mm HB 36 Leads For Mechanical Pencil