Description Air Drill ?13mm with Keyless Chuck Composite Premier ? Composite lightweight moulded housing reduces effects of chill on operator?s hands. ? Fully reversible with thumb control set above motor housing. ? Air motor with quality bearings for smooth and powerful operation. ? Handle exhaust with built-in muffler reduces noise level. ? Fitted with Jacobs keyless chuck for fast bit changes. ? Supplied with side handle for added comfort and control. ? Suitable for the professional workshop. Detailed Information Instructions Parts Model No: SA621 Chuck Size: ?13mm Free Speed: 800rpm Air Consumption: 4cfm Operating Pressure: 90psi Inlet Size: 1/4"BSP Weight: 1.4kg Noise Power/Pressure: 91/80dB(A) Vibration/Uncertainty: 3.3/1.8m/s?