M7-QP212 | M7 Air Mini High Speed Sander 2in / 3in18000rpm FEATURES Superb quality pneumatic sander. Supplied w/ 3in Pad SPECIFICATIONS Pad Diameter: 50mm 75mm (2 3 ) Free Speed: 18000RPM Spindle Size: 1/4 – 20 Air Requirements: 2.1 CFM / 90 PSI Inlet: 1/4 Overall Length: 107mm Rated Power: 0.38HP Net Weight: 0.5kg Sound Pressure: 73 dBA Vibration Level: 0.9m/s²