3M™ non-vacuum pneumatic orbital sander, tool/kit: tool, 3 x 4 in pad, rectangle pad, 0.24 hp, 17 scfm air flow, 90 psi air, internal exhaust location, ergonomic handle, 73 dB sound level, 0.12 in dia orbit, 5.48 in L x 3.28 in H dimensions. 3M™ 00051141203317 Non-Vacuum Pneumatic Orbital Sander, 3 x 4 in Pad Rectangle Pad, 17 scfm Air Flow, 90 psi