Brownells Cylinder Polishing Hone Fine Grit .38/.357

The Brownells Cylinder Polishing Hone is a fine-grit stone designed for polishing revolver cylinder chambers to a smooth, consistent finish. Part of Brownells' Cylinder Polishing System, this gray steel hone measures 3 inches in length and is compatible with .38/.357 caliber cylinders on universal handguns. Ideal for gunsmiths looking to reduce friction and improve case extraction by removing tooling marks and burrs from cylinder walls.