3M Random Orbital Sander - Elite Series 28498, Air-Powered, Non-Vacuum, 5 Inch, 3/32" Orbit Precision-balanced steel workings and a powerful 0.28 HP motor offer optimal performance with less vibration in high production industrial environments Extended curved wrist support, 3M Gripping Material, and recessed lever provide maximum comfort and control during prolonged use Pneumatic power exceeds the capability of standard electric sanders, supplying hours of continual use 3M Stikit Disc Pad (included) absorbs shock and vibration and provides reliable disc adhesion Aluminum body and durable composite cover reduce cracked housings and downtime 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 3M 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) 3M Stikit Disc Pad (included) absorbs shock and vibration for smoother running and provides excellent disc adhesion yet allows quick, easy removal Newly designed wrist rest for more support Recessed level eliminates pinch points