Pentel Super Hi-Polymer HB lead is equivalent to a #2 pencil, guaranteed to scan on tests, resists breaking and never needs sharpening. Each tube of Pentel Super Hi-Polymer HB lead is made of 100% recycled plastic and part of the Pentel Recycology line of products. 0.7mm lead produces crisp, medium lines of consistent density. Ideal for accounting and all general writing applications such as notes, letters, etc. Fits all 0.7mm mechanical pencils