Makita’s 4” Electronic Wet Stone Polisher is a favorite for professional stone work. The PW5001C combines 7.9 AMP power and variable speed control with optimum speed settings, soft start for smooth start-ups, and more. The result is a fast and powerful stone polisher with precision engineering for professional stone finish work. 7.9 AMP Power with Variable Speed Control. 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.