Fts: SP10, 10, made by Remington. 45 chamfering cutter breaks the edges of the rifling for a clean bullet exit or chamfers revolver cylinder chamber mouths for quick reloads. Includes the cutter, a handle and one pilot, all in a polypropylene box. Interchangeable pilot keeps cutter properly aligned. Purchase extra pilots to use one cutter for many different calibers. Pilots for other calibers available separately. The 45 Cutter supplied in Sets marked with an * is 5/8' dia. to correctly chamfer the larger barrel and cylinder mouths on those calibers. All other Sets have a ' diameter, 45 cutter. Mfg.: Brown ells SPECS: Chamfer Cutter Hardened steel. 3' (8.25cm) long (except .165' cutter, 2-3/8' (6cm) long) . ' (12.7mm) or 5/8' (15.8mm) diameter as required. Handle Aluminum. 3' (8.9cm) long. 3 oz. (85 g) . Pilot - Hardened steel. 1' (3.2cm) long. .45 ACP Pilots - .45 ACP-1 fits S&W model 25