The impact wrench has a square driver of 1/4 inches and speed of 240rpm. The maximum torque of tool is 18 ft/lbs. The air inlet is 1/4th inches NPT. Air pressure is at 90 psi. The air consumption is at the rate of 3 cubic feet per minute. Weight of tool is 0.5kg and length is 6-5/16 inches. Repair kit specification is 9201RRK.