The Sharp Mechanical pencil is Pentel's #1 selling mechanical pencil. Superior construction meets the rigorous demands of professionals and students alike. Each Sharp mechanical pencil is pre-loaded with Pentel® Super Hi-Polymer® HB lead; never needs sharpening, is super strong and produces a clear dark line. Available in 0.5mm, 0.7mm and 0.9mm lead sizes and backed by Pentel's industry-leading Limited Lifetime Warranty.