Jitterbug air sander. 3 5/8in. x 6 1/2in. sander has constant 3/16in. orbit for fine finishing. Very versatile, can be operated with one hand. 6 CFM air consumption @ 90 PSI. Air Consumption:6 CFM. Speed:6,000 RPM. Pad Diameter:3 5/8in. x 6 1/2in. Spindle