8.6 Amp, Powerful motor handles heavy duty applications. Cast Aluminum Gear Housing, Accurate gear alignment and operating efficiency. Ergonomic Paddle Switch with Lock-on paddle switch can be engaged from multiple positions and shuts off when user releases switch. Quick Release Grinder Guard can be located at various positions to wheel without use of special tools. 2 Position Soft Grip Side Handle, rubber comfort grip helps reduce vibration and mounts on either side for best control. Spindle Lock provides for easy accessory changes (5/8 11 spindle). 11,000 RPMs provides good handling and control. Heat-Treated Gearing, long life and smooth, efficient power transmission. Includes metal grinding wheel, spanner wrench, and soft grip handle.