Matco's MT1761 1/2" Composite Body Impact Wrench has a powerful twin hammer impact mechanism for super power to weight ratio. The Impact Wrench weighs only 4.11 lbs. and has over 550 ft. lbs. of torque. Includes Matco's exclusive composite back housing with comfort grip and super light magnesium front housing. Has a rear housing forward reverse lever for easy one-hand operation. Includes a built-in regulator system on forward reverse lever. Offers a bottom handle exhaust to help direct air away from work.