The facom nj2000f2 38quot composite mini air impact wrench is light powerful and rugged it has a durable twin hammer mechanism encased in a strong aluminium housing and a high performance low consumption yet powerful motor delivering 290nm of torque there is a practical forwardreverse knob with 3 integrated power settings in forward it has a convenient swivel air inlet to avoid coiling of the hose as well as a durable and insulating composite housing that is chemical and acid resistant