Chicago Pneumatic CP734H Air Impact Wrench Price For: Each Drive Size: 1/2 Handle Type: Pistol Grip Speed (RPM): 8400 Torque (N/m): 576.22 Torque (Ft/Lb): 425.00 Air Consumption (CFM): 3.70 Impacts Per Minute: 1020 Inlet Size (NPTF): 1/4 Air Pressure (bar): 6.30 Air Pressure (psi): 90.00