Oregon 310-120 Bench Mounted Mini Saw Chain Grinder Compact alternative to full-sice bench grinders for occasional users Includes two grinding wheels for sharpening 1/4", 3/8" Low Profile, .325", .325, 3/8" and .404" pitch chain, a dressing brick and a quick template. Runs on standard 115-Volt Power Single phase, direct-drive, one-way, 120V, 60Hz, 0.6A, 85W, 4600 RPM, 0.11 HP motor. Manual chain clamping vise. Longer nose life and better performance with a new sprocket nose system