Ohio Powertool offers the Chicago Pneumatic 1/2" Impact Wrench, model no. CP7759Q, for $199.92. Coupon code "OVERSTOCK" cuts it to $179.93. With $13.58 for shipping, that's the lowest total price we could find by $15. It features a 360° swivel air inlet, side thumb switch, and a maximum torque of 780 ft. lbs in reverse.