Provides 500 ft-lb maximum torque and 700 ft-lb of loosening torque; The NitroCat 1355-XL is a no non-sense, hard hitting 3/8" impact wrench that incorporates a twin hammer mechanism; Provides all the torque you need and tremendous speed to get the job done; Patented quiet tuned exhaust (86 dBA); Patented easy operation flip lever forward and reverse; Durable KevlarTM reinforced "Body Armour" housing; Great for brake calipers and transmission work