Nicholson 12 in. Bastard-Cut Mill File-21842N - The Home Depot
The Crescent Nicholson 21842N 12-in single-cut bastard mill file sharpens mill or circular saws and is ideal for draw filing and finishing metals. The rectangular shape lets you smooth and sharpen straight surfaces. 2 square edges allow you to make grooves fixed at the same width as the file, and all sizes taper slightly in width to improve ...