3/8" Butterfly Impact Wrench

Provides 80 ft-lb of maximum torque and 100 ft-lb of loosening torque; Weighing only 1.1 lb. and with an overall length of only 5.4", it fits comfortably in the operator's palm; Ideal for work around radiators and in other space restricted areas; Features a three position built-in power management switch for control on the job; Built-in swivel air inlet increases maneuverability and access to restricted work areas; Twin hammer mechanism reduces vibration while increasing reliability