3/8", Air Impact Wrench, Grab & Go Kit, Kit Includes, 3/8" Impact Wrench, 6 Impact Sockets, 1/4" Steel Male Plug In A Blow Molded Case, 4.0 SCFM At 90 PSI, 100' LB Torque, 1,000 Impacts Per Minute, 1/4" NPT, Patented Single Hammer Impact Mechanism Provides 20% More Working Torque, Compact Ergonomic Design For Increased Comfort, Forward/Reverse Switch, Patented Single Hammer Impact Mechanism & Exhaust Diffuser, 1 Year Limited Warranty.