The Ryobi ESS280RV Variable Speed Orbital Sander has a powerful, lightweight deisgn for delicate jobs and large scale applications. Variable speed and low vibrations allow for smoother control and optimise surface finish. Fitted with a well-proportioned handle that makes it easy to grip and cyclonic action dust box for efficient dust collection. The 1/3 sheet rectangular base ensures the entirety of whatever surface being worked on is sanded down. Specification Input Power: 280WOscillating Speed: 0-12,000/min.Oscillating Diameter: 2.0mmBase Size: 93 x 185mmWeight: 1.7kg