The forward/reverse switch allows you to quickly switch the working state, tighten or change/remove the nuts.1/2″ and 1/4″ 2 in 1 chuck, also has the function of an impact driver, the reverse has the function of stopping the brake (stop after rotation in one second) .Ergonomic rubber handle can provide maximum comfort and reduce vibration. The LED lamp can illuminate the work area. Belt clip on the side of the impact wrench for easy carrying when working outdoors.