Product Features:Precision-balanced steel workings run smoothly with less vibration, ideal for high production industrial environmentsImproved durability, ergonomics and noise level maximize comfort and control for prolonged usePneumatic power exceeds the capability of standard electric sanders, supplying hours of continual useAluminum body and durable composite cover reduce cracked housings and downtimeLow-profile, balanced design optimizes the performance of 3M Abrasives