Shinano 1/2" Compact Impact Wrench SI1455SRSPECIFICATIONSLength: 190 mmHeight: 112 mmMax Torque: 550 Ft lbs (740 Nm)Working Torque Range: 0 470 Ft lbs (0 640 Nm)Free Speed: 9,000 RPMWeight: 1. 17 KgNoise Level: 98. 7 DBA (109. 7 Pwr)Vibration A: 8. 7 m s2 K: 1. 5 m s2Av Air Cons.: 4. 8 CFMFEATURES 3 Position forward torque selector dial located beneath trigger Full time maximum torque in reverse Forward Reverse toggle switch integrated into handle for easy one hand operation Light weight