Makita 4" Electronic Wet Stone Polisher, 7.9 AMP, 2,000-4,000 RPMMakita PW5001C 4" Electronic Wet Stone Polisher POWER : 7. 9 AMP motor delivers 4,000 RPM PERFORMANCE : Speed dial for optimum speed control and setting (2,000 4,000 RPM) COMFORT : Soft Start for smooth start ups CONTROL : Solid brass water feed valve for controlled rate of flow INCLUDES : Pad, side handle, head cover, front grip, wrenches and dust cover The Makita 4 Inch electronic stone polisher is run by a 7. 9 Amp motor that delivers an optimum