This general duty random orbital (DA) sander is best suited for the occasional user or the do-it yourself-er. It has a rotary and orbital motion for rapid removal as well as fine finishing. The insulated grip provides comfort to the operator. Lock-off throttle prevents accidental start-up. Uses 6" paper. 1/2 hp motor. Average air consumption: 5 cfm @ 90 psi. Free speed 10,000 rpm. Weight 4 1/4 lb. 1 year limited warranty.