Pad Diameter 3”/75mm Pad Thread Size 5/16” Free Speed 11,000RPM Minimum Pad Speed 13,200RPM Operating Pressure 90Psi/6.3kg/cm2 Air Consumption 3.6CFM Air Inlet 1/4” BSP Vibration Level 6.56m/s2 Max Noise Level 86aD(A) Max Weight 988g (1393g with hose and bag)