The HERCULES® 4.5 Amp, 3 in., 12 mm Long-Throw Random Orbit DA Polisher is compact and lightweight for precise control on curves and contours. The 6-speed variable dial makes it easy to match speed to the surface you are working on. The cushioned backing pad accepts a 3 in. hook-and-loop pad with up to a 3.5 in. face. Maximum Vibration Control reduces the vibration for greater comfort and precision.