General description The US PRO 3/8'' Drive Reversible Air Ratchet Wrench is a powerful air compressor tool designed for efficiency and ease of use. With a free speed of 160 RPM and a maximum torque of 68Nm, it is ideal for various automotive and mechanical applications. Technical specifications Free speed: 160 RPM Maximum torque: 68Nm (50ft-lb) Square drive: 3/8'' Air inlet: 1/4'' Operating pressure: 90 PSI (6.2 bar) Air consumption: 4 CFM (113 l/min) Length: 227mm