Feature: Light weight body. Rubber grip for comfortable using. Quiet,random sanding action for smooth,pattern-free finish. Model NO:RP7316Sanding Pad:6"In ( 150mm )Free Speed:10,000RPMAir Inlet:1/4"PTAir Hose:3/8"IDAvg.AirConsumption:3.3cfm( 93.4l/min )Net Weight:4.26Lbs( 2.1Kgs)Sug.Air Comp:2HP