Use the lee cutter and lock stud with the case length gauge & shell holder to trim cases.Can be used by hand or with an electric drill.Works on all brass less than.475 base diameter.If you are looking for trimming cases with a base diameter larger than.475, order the large cutter and lock stud.Capacity: 1 ShellType: Case TrimmerCaliber: AllSize: Up to .475 Base DiameterQuantity: 1Weight: 16 ozFunction: Trim/Chamfer/DeburrCompatible With: Cordless DrillMaterial: Stainless SteelIncludes: Cutter/Drill ShankMedia Capacity: 1 ShellFinish: SilverMedia Type: Brass Shell