The Timber Tuff Bench and Wall-mount Saw Chain Sharpener sharpens saw chains from 1/4" to 3/4" pitch. This sharpener mounts on a bench or wall for convenience and includes a work light for added visibility while sharpening. Large, easy-to-use knobs allow you to adjust the grinding angle and depth. This sharpener features a 3,600 rpm, 110V, 60-Hz motor and includes 1/8", 3/16" and 1/4" grinding wheels. 16.8 lb.