Pentel 0.3mm Super Hi-Polymer Mechanical Lead Pencil, 12 Pieces/Tube, Box of 12 (300-2H) #1 selling lead in the world Each tube of Pentel Super Hi-Polymer lead is made of 100% recycled plastic and part of the Pentel Recycology line of products Never needs sharpening and produces a clear, dark line Ideal for all general writing applications such as notes, letters, etc Refill Fits all 0.3mm mechanical pencils