Pentel® Super Hi-Polymer® Lead is the #1 selling brand in the USA! Never needs sharpening, is strong and resilient. 0.7mm lead produces crisp, medium lines of consistent density. Fits any 0.7mm mechanical pencil. Each tube of Pentel Super Hi-Polymer HB lead is made of 100% recycled plastic and part of the Pentel Recycology line of products. Each tube contains 12 pieces. Sold as 12 tubes for a total of 144 pieces. This product ships in approximately 1 days