The Bosch 18V EC Brushless 1/2" Impact Wrench, No. IWMH182, delivers 2,213 in/lbs of torque for applications that include fastening for large lag bolts. Its compact design that offers increased maneuverability in tight spaces and extended comfort in all-day applications. The tool's weight of 3.6 lbs combined with a head length of 6.4" provides an excellent performance-to-weight ratio that delivers 3,500 bpm and 2,600 rpm. The Bosch IWMH182 is equipped with an EC brushless motor that requires no scheduled maintenance and delivers up to two times longer motor life versus a standard motor, according to the company.