Air Impact Wrench, Drive Size - Air Tools 1 In. Square, Body Style - Air Tools Pistol, Retainer Type - Air Impacts Ring, Torque Range 100 to 1000 ft.-lb., Max. Torque 1300 ft.-lb., 6 In. Extended Anvil Type - Air Impacts, Anvil Length - Air Impacts 7.250 In., Industrial Duty Duty Cycle - Air Tools, 900 Blows per Minute - Air Tools, Air Inlet Size - Air Tools 1/2 In. NPT, Max. Bolt Capacity 1 In., 10.50 Average CFM @ 15 Second Run Time, 41.0 CFM @ Full Load, Free Speed 6600 rpm