Convenience of cordless with the power of air. The W7150 impact wrench is the only cordless impact wrench that can perform pound-for-pound with best-in-class air impact wrenches. Will make quick work of tough jobs that professional technicians do every day. 1,100 ft./lb. of nut-busting torque from a tool weighing just 6.8 lb. - best power to weight ratio in its class Includes: (Qty.) (2) 20V Lithium-Ion Batteries, (1) Charger, (1) Carrying Case.