DEWALT 18v 3 Speed High Torque Impact Wrench Bare Unit with Detent Pin 1/2" Square Socket Drive. Extremely High Torque output at 950 Nm sustained torque & 1625 Nm breakaway torque this Impact is powerful enough for a wide range of high torque applications & the 3 speed means that you can adjust the power output to the job at h&. Batteries & Charger sold separately.