Pentel Super Hi-Polymer Lead Refill, 0.9mm Thick, 2H, 180 Pieces of Lead (50-9-2H) #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 0.9mm mechanical pencils Lead packaged in tubes for easy handling