Pentel Sharp Mechanical Pencil 0.7Mm Metallic Barrels, Assorted Colors, Pack of 3 (P207MBP3M) Pentel's #1 selling mechanical pencil Superior construction meets the rigorous demands of professionals and students alike 4mm tip length makes it ideal for use with rulers and templates 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