Features and Benefits: Compact head design allows greater flexibility in tight areas Easy to grip reverse lever for simple directional changes Hardened gears provide greater durability over other economically priced ratchets Ideal for installing or removing spark plug sockets radiators water pumps and exhaust systemsWorking torque: 10-50 ft./lbs.; maximum torque: 50 ft./lbs.; free speed: 160 RPM; average air consumption: 4.25 cfm; air inlet thread: 1/4″ NPTF; minimum hose size: 3/8″; sound dBA: 98.2; length: 10.25″; weight: 2.63 lbs.