Dynabrade® Dynabug® II Pneumatic Orbital Sander, Non-Vacuum Palm Style, Tool/Kit: Tool, 3-2/3 x 7 in Pad, Rectangle Pad, 8000 OPM, 0.24 hp, 16 scfm, 90 psi Air, 1/4 in NPT Air Inlet, Rear Exhaust Location, Lever Throttle, 1/4 in Minimum Hose Size, Composite Housing, 77 dBA, Hook and Loop Pad Grip, 7-1/4 in L x 4-1/4 in H. Dynabrade® Dynabug® II 57800 Non-Vacuum Palm Style Pneumatic Orbital Sander, 3-2/3 x 7 in Rectangle Pad, 16 scfm Air Flow, 90 psi