The Lee Large Cutter with Lock Stud is the tool you need for .500 Smith and Wesson, .480 Ruger, and .50 BMG cases. This tool can also be used with any case diameter smaller than .475. Simply put, this Large Cutter with Lock Stud from Lee is both highly versatile and reliable. In addition to quickly and easily trimming your cartridge casing, the Large Cutter with Lock Stud from Lee can be turned either by hand or with an electric drill to trim, chamfer, and polish your cartridge cases all with one tool.