Free speed of 160 RPM and maximum torque of 68Nm. It has a standard 1/4" air inlet and operates at 90 PSI (6.2 bar) with air consumption of 4 CFM. Specifications 160 RPM free speed 3/8" Square Drive 90 PSI (6.2 bar) Minimum torque of 68Nm (50ft-lb) Air inlet: 1/4" Air consumption: 4CFM (113 l/min) Front exhaust Length: 227mm.