The 45° chamfering cutter kit is designed for clean bullet exits and quick revolver reloads, including a handle, cutter, and one steel pilot.
It is made by BROWNELLS and is interchangeable with additional pilots for use with various calibers, with extra pilots available separately.
The kit comes in a polypropylene box with cutters in either ½" or 5/8" diameter, suitable for different calibers, and is specifically compatible with the .17 HMR muzzle (.166).