MTP Tm 5pc 7/32" Diamond Chainsaw Sharpener Burr Stone File Fits Dremel 1453 Craftsman Chicago Black & Decker Husqvarna Ryobi Echo Poulan Gas / Electrical Chain Saw Quantity of 5 Burrs Included Shank Diameter: 1/8" to fit DREMEL tools Pack of 5 , Total length: 1-3/4"" (Approximate Overall length) Grit: 120-150 , Manufacture by MTP Burr diameter: 7/32"