Powermate 1/2" Impact Wrench, 420 ft/lbs: * Includes wrench, 1/4" NPT male plug and instructions * Average cfm requirements: 5.5 cfm at 90 psi * Rpm: 7,500 * Torque: 420 ft/lbs * Operating pressure: 90 psi * Air inlet: 1/4" NPT air inlet with screened filter * Weight: 5.9 lbs * Wse with 1/2" drive impact sockets * Vibration reduction grip adds comfort and control * Twin hammer mechanism provides more power and smoother balanced impacts than a single hammer * Torque regulator with 5 torque settings * For use with Powermate QCS system * Model# 024-0273pm