This is the fastest ratchet in its class with an optimized gear ratio and airflow for Extra Performance, coupled with exceptional durability. 70 ft-lbs. maximum torque at 300 RPM free speed. Push button throttle 360 degree adjustable exhaust directs air away from operator and the work. Specifications: Working torque: 10-60 ft.-lb.(14-81 Nm) Maximum torque: 70 ft.-lb. Free speed: 300 RPM Weight: 3.1 lb. (1.22 kg) Length: 11.9" (302 mm) Average air consumption: 4 cfm, 12 cfm @ load Sound (pressure/power): 93.6/106.6 dBA Air inlet NPTF: 1/4"