#050170 HORNADY 6-blade inside diameter chamfer tool Caliber Chamfering Tool is an excellent piece of equipment for the reloader looking to gain every ounce of accuracy out of their handloads. Putting a light chamfer on the inside of the case neck is a crucial step during the reloading sequence. This steps helps to remove slight imperfections on the inside of the case neck and provide a slight chamfer helping to reduce the chance of shaving any material of the bullet and increasing bullet seating consistency. A case only needs to be chamfered before the initial loading then any time the case is trimmed. Fits on Universal Handle, Power Case Prep Centre or Case Prep Trio. Large caliber chamfer (45+ Cal. ID)