CE and GS approved Air Belt Sander with 25/64" * 13" PAD and 18,000RPM free speed... Free speed:18,000RPMAverage Air Consumption (25%): 4SCFMPAD: 25/64" * 13", 10*330mmAngle:90oExhaust:Handle Length:260mmWeight: 0.75Kg, 1.65LbAir Pressure: 90psi, 6.3kg/cm2Air Inlet:1/4" Air Belt Sander