7 x 6 x 4.3 hp, 8 to 16 cfm Air Flow, 1/4 in Air Inlet, 3/8 in Minimum Hose, Ergonomic Soft Comfort Grip Handle, 92 dBA Power, 81 dBA Pressure Sound Level, Hook and Loop Pad Grip, 8.CP Random Orbital Sander, Palm Style, Bare Tool, 6 in Pad, Round Pad, 12000 rpm Orbits per Minute, 0.1 in Dimensions.