Air High Speed Sander, CE and GS approved, with 3", 4.5" and 6" PAD... Free speed:18,000RPMAverage Air Consumption (25%): 5SCFMPAD: 5", 125mmAngle:90oExhaust:Front Length:150mmWeight: 0.97Kg, 2.15LbAir Pressure: 90psi, 6.3kg/cm2Air Inlet:1/4" Air High Speed Sander