Makita's 18V LXT Lithium-Ion cordless 1/2" impact wrench kit, No. BTW450, packs 325 ft./lbs. of torque created by 2,200 rotational impacts per minute, and is designed for a wide range of applications. It is a convenient substitute for air-powered and AC wrenches. The tool also features an ergonomic grip and large rocker trigger switch for easier operation, and a single LED to illuminate the work area.