MTP Tm Pack of 5 5/32" Diamond Chainsaw Sharpener Burr Stone File Fits Dremel Craftsman Chicago Black & Decker Husqvarna Ryobi Echo Poulan Gas/Electrical Chain Saw Pack of 5 , Total length: 1-3/4"" (Approximate Overall length) Shank Diameter: 1/8" to fit DREMEL tools Burr diameter: 5/32" Grit: 120-150 Quantity of 5 Burrs Included, Munufacture by MTP