This 7 variable speed polisher/sander is UL approved. 120v/60Hz. The input power is 1300W/11A. Its no load speed is 1000-3000 rpm. The spindle size is 5/8 - 11. It has a dial speed control. It comes with a bonnet and rubber pad. It includes two handle styles for the operators choice: 1 Side handle and 1 D auxiliary handle. Product Features:Voltage (V): 120Frequency (Hz): 60Rated Current (A): 11No Load Speed (Min): 1000 - 3000Disc Dia: 7 (17.8 cm)Spindle Bore: 5/8 - 11Weight: 6.8 lbs (3.1 kgs)