The new Bosch 18V brushless 1/2-inch impact wrench has enough power that you'll consider ditching your air tools. At just over 3.5 pounds and with head length of 6.4 inches, this impact wrench has one of the best power-to-weight ratios available in any cordless tool, and one to match most corded and pneumatic options.
Designed for contractors, automotive technicians, and trade professionals who need high torque for fastening and anchoring applications, this impact wrench delivers 2,213 inch-pound of torque, more than enough to drive the largest of lag bolts. It also features a 1/2-inch square drive with a detent pin for secure socket retention.
Bosch motors are built with Electronic Motor Protection (EMP) which will protect the motor against overload and extends its life. That, plus a protective housing called Durashield, which adds to the overall durability of the tool. The impact wrench retails for $169 but is currently on .