The Milwaukee M18 Cordless 3-Tool Combo Kit includes the 1/2in. High Torque Impact Wrench with Friction Ring (Model 2663-20), 3/8in. Compact Impact Wrench with Friction Ring (Model 2651-20) and Work Light (Model 49-24-0171). The M18 cordless system's patented technologies and electronics, innovative motor design, and superior ergonomics provide the most efficient blend of power, weight and performance in the industry.