Dynabrade® Mini Orbital Sander, Geared, Tool/Kit: Bare Tool, 1-1/4 in Pad, 12000 RPM, 0.4 hp, 20 scfm, 90 psi Air, 1/4 in NPT Air Inlet, Front Exhaust Location, Lever Throttle, 1/4 in Minimum Hose Size, Composite Housing, Right Angle, 85 dB, 5.4 in L x 3.8 in H. Dynabrade® 58037 Geared Mini Orbital Sander, 1-1/4 in Pad, 0.4 hp, 20 scfm Air Flow, 90 psi