Composite construction for ultimate performance and durability. This heavy duty range is lightweight compared to other traditional air tools. Maximum comfort and minimum vibration from the soft grip warm touch rubber handle. Twin hammer - for more power and smooth balanced blows. 610Nm (450 ft/lbs) average working torque. High speed 7500rpm. SPECIFICATION: Average torque:610Nm (450 ft/lbs) Operating pressure:90psi Air consumption:6.5CFM Speed:10,000rpm Air inlet:1/4" bsp