Dynabrade® Dynorbital® Supreme Random Orbital Sander, Non-Vacuum Palm Style, Tool/Kit: Bare Tool, 5 in Pad, Round Pad, 0.28 hp, 18 scfm, 90 psi Air, 1/4 in NPT Air Inlet, Rear Exhaust Location, Lever Throttle, 1/4 in Minimum Hose Size, Composite Housing, 78 dBA, 6-1/2 in L x 3-5/8 in H. Dynabrade® Dynorbital® Supreme 56850 Non-Vacuum Palm Style Random Orbital Sander, 5 in Round Pad, 18 scfm Air Flow, 90 psi