Features: Compact design is ideal for accessing work areas where space is limited. Composite lightweight housing reduces effects of chill on operator's hands. Fully reversible with thumb control on side of motor housing. Air motor with quality bearings for smooth and powerful operation. Features 1/4IN Hex quick-release chuck for fast bit changes. Suitable for the professional workshop. Specifications: Model No: SA623 Chuck Size: 1/4"Hex Quick-Release Type Maximum Torque: 600lb.in(67Nm) Free Speed: 11000rpm Air Consumption: 3cfm Operating Pressure: 90psi Inlet Size: 1/4"BSP Weight: 0.7kg Noise Power/Pressure: 91.5/80.5dB(A) Vibration/Uncertainty: 4.89/1.98m/s� Load Vibration: 4.89 Noise Power: 91.5 Noise Pressure: 80.5 Height: 48 Width: 199 Length: 155