Elite Non-Vacuum Random Orbital SanderPrecision balanced steel workings and a powerful motor offer optimal performance with less vibration in high production industrial environments Ergonomically engineered with features such as extended curved wrist support and 3M Gripping Material to maximize operator comfort during prolonged use Pneumatic power provides many hours of continuous use, far exceeding standard electric sanders 3M Disc Pad (included) absorbs shock and vibration for smoother