B7444 - Suitable for production and assembly applications. Twin hammer mechanism. 1/2" square drive. Three position dial style speed regulator. Forward/reverse selection. Ergonomic and comfortable handle grip. Fixed inlet and exhaust. Forward: position 1: 4000rpm, position 2: 5000rpm, position 3: 7000rpm. Reverse: position 1: 3000rpm, position 2: 5000rpm, position 3: 7000rpm. Square : 1/2" Maximum torque: 813Nm Recommended air pressure: 6.2bar/90psi. Air consumption:(113ltr/min). Air inlet thread: 1/4" NPT. Minimum air hose size (ID): 10mm (3/8"). Sound pressure level: 83dBA. Sound power level: 90dBA. Vibration level: 6.8m/s2. Overall length: 183mm. *Based on a 15 second cycle per minute average use.