The 45° chamfering cutter is designed to break the edges of rifling and chamfer revolver cylinder chamber mouths for clean bullet exit and quick reloads.
It comes with a handle, one brass pilot for .38-40 caliber, and is housed in a polypropylene box, with additional pilots available for various calibers.
The kit includes a hardened steel cutter, an aluminum handle, and a brass pilot, with specific sizes and pilots for different revolver models and calibers.