Powerful motor and precision balanced steel working offer optimal performance in high production industrial environments Ergonomic engineering with built in extended curve wrist support for lightweight performance Recessed lever platform eliminates pinch and pressure points on operators palm Thumb control located on side for ease of use 3M Hookit Disc Pad (included) absorbs shock and vibration, as well as providing excellent disc adhesion with easy removal Pneumatic power provides many hours of continuous use, exceeding standard electric sanders by far Suggested Applications Used where dust removal is not a concern Optimises sanding and surface preparation on many surfaces such as wood, metal prep for paint, fiberglass and composite materials as well as many other substrates