CP Impact Wrench, Tool/Kit: Bare Tool, Square Drive, 1/2 in Drive, 1300 bpm, 110 to 350 N-m Forward/475 N-m Reverse, 11500 rpm, 24.2 cfm, 90 psi Air, 1/4 in Air Inlet, 3/8 in Minimum Hose Size, Steel Housing, Ergonomic, 100 dBA Power/89 dBA Pressure, 6.9 in Overall Length