Milwaukee m18 biw12 202c is a compact in impact wrench that measures 155mm in length making it ideal for working within confined spaces a high performance 4 pole motor delivers maximum power whilst maximising the power to weight ratio featuring redlink overload protection electronics in the tool and battery pack it delivers best in class system durability has a heavy duty full metal gearbox and gears for superior durability and maximum torque and a in square drive for use with universal socke