Bosch power tools deliver stronger performance and lasting reliability. The Bosch 24618B 18V 1/2 In. impact wrench offers the most compact design for increased maneuverability in tight spaces. Ergonomic grip for extended comfort. The Electronic Cell Protection is a unique battery pack design that delivers optimal battery life and performance. The spring loaded impact mechanism reduces user fatigue. The built-in LED light is great for dark corners or enclosed areas. Battery and charger sold separately.