Clymer 357 Magnum Rimmed Finisher Chambering Reamer, Cylinder Pilot

Made by Clymer, a truly dedicated group of gun people, from best quality, M-7 High-Speed Steel. These are precision tools for the professional gunsmith and will give a lifetime of service when properly cared for. Fully guaranteed. Roughers are .010" smaller in diameter than the final size, do not cut the throat area and should be used to save wear on the Finish Reamer when many chambers are to be cut. If only a few chambers will be cut, a Finish Reamer is all you need. Superb quality reamers made to SAAMI specifications. Mfg: Clymer SPECS: PISTOL REAMERS - 6, right-hand cutting, straight flutes. Solid pilot. Integral throat. Available in two different pilot diameters: Barrel for Single Shot or Semi-Auto pistol and rifle barrels; Cylinder for Revolver cylinders. 7/16" dia. shank with 3/8 " square drive, depending on ca