6 bar compressed air, air consumption under max.Power is: 580l/min; Powerful and low noise, less than 80dba under max.Power; Set and control torque by adjusting the pressure on air register; h efficiency, no impact Torque can be continually output; Design of reverse pressure-bias motor provide the max.Power and Torque in reversing mode, satisfying the request of higher torque when Loosing bolts; Positive/reverse button by single hand, switch valve of touch type; Excellent performance of continuous running can meet high workload. 1 strong abs case for 1 pc, 420*185*128mm 8kg