Precision-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 3MTM Gripping Material to maximize operator comfort during prolonged use Pneumatic power provides many hours of continuous use, far exceeding standard electric sanders (power hose and air compressor sold separately) Newly designed wrist rest for more support Recessed level eliminates pinch points.Includes:Hookit® Pad 20352