Dynabrade® Dynabug® II Random Orbital Sander, Non-Vacuum, Tool/Kit: Tool, 2-3/4 x 7 in Pad, Rectangle Pad, 10000 RPM, 0.15 hp, 13 scfm, 90 psi Air, 1/4 in NPT Air Inlet, Rear Exhaust Location, 1/4 in Minimum Hose Size, 82 dBA, 7-1/16 in L x 3-3/4 in H. Dynabrade® Dynabug® II 58507 Non-Vacuum Random Orbital Sander, 2-3/4 x 7 in Rectangle Pad, 13 scfm Air Flow, 90 psi