Versatile unit can be mounted on your workbench or wall for best results when sharpening your saw chain. Adjustable angle and large handle allow easy operation. Sharpens chains from 1/4in. to 3/4in. pitch. 110V, 60 Hz motor operates at 3600 RPM. 230 Watt motor input power. Includes lamp and disc guards and three grinding discs at 1/8in., 3/16in. and 1/4in. thickness. Application: Chainsaw sharpener, Mount Type: Bench or wall, Motor: 110V, 60 Hz motor, Rated RPM: 3,600, Volts: 110, Watts: 230, Chain Pitch (in.): 1/4 - 3/4, Bore Diameter (in.): 7/8, Wheel Diameter (in.): 5 11/16, Arbor Size (in.): 7/8, Bolt Hole Shape: Round, Includes: Lamp and disc guard, Wheel Included: Yes (3), Assembly Required: Yes, Includes (qty.): 1 sharpener and 3 grinding discs