Sealey SA77 150mm Orbital Air SanderLightweight, balanced aluminium body with double bearing counter balance assembly and spindle lock device for easy pad removal. Housing fitted with composite cap and internal baffle for quiet operation. Equipped with airflow control valve. Supplied with Ø150mm hook-and-loop backing pad.Air Consumption: 4cfm Free Speed: 10000rpm Inlet Size: 1/4"BSPNett Weight: 1.8kg Noise Power/Pressure: 107/96dB(A) Operating Pressure: 90psi Orbit Size: Ø5mmPad Size: Ø150mm Thread Size: 5/16"UNF