Bosch's IWMH182B 18V Cordless Lithium-Ion 1/2 in. Square Drive Brushless Impact Wrench (Bare Tool) is equipped with Bosch's EC brushless motor, providing 2X the motor life, increased performance, and improved runtime. A 1/2 in. pin detent drive with quick attach allows for maximum socket retention with a sloped detent to provide fast, easy socket attachment. Featuring the Bosch Performance Control System, the IWBH182 allows users to adjust tool speed and torque with a push of a button to match the tool's performance to the application at hand. 18V brushless motor offers 2X life versus conventional motors. Electronic Motor Protection (EMP) protects motor against overload for longer life. Balanced construction offers less fatigue for every day jobs and in difficult applications. Compact and lightweight design allows tool to be used in more applications. Bosch exclusive three LED design provides maximum illumination of work area. Includes: 18V Cordless Lithium-Ion 1/2 in. Square Drive Brushless Impact Wrench (Bare Tool) - IWMH182, Belt Clip, Bare Tool - Batteries and Charger Sold Separately.