2631-3122 Features: -Impact wrench tool only.-Frameless motor for extended tool durability and life.-Compact size and weight allow access into tighter areas and reduces user fatigue.-1,500 in pounds of torque to perform a wide range of fastening applications.-0- 2,400 rpm to 0- 2,700 ipm for faster application speed.-Replaceable brushes for increased serviceability.-Textured anti-slip comfort grip provides maximum comfort.-Durable magnesium gear case and all metal transmission for extended durability.-Heavy duty impacting mechanism directs torque to fastener without kickback.-3/8" square with hog ring retention.