3/4" Drive Ultra Duty Air Impact Wrench Stronger, lighter, tougher - Ingersoll-Rand redefines the 3/4" category with the lightest, most compact impact tool in the automotive industry. Six-vane, high-output air motor. Twinhammer Plus mechanism. Contoured professional touch trigger. Ergonomically designed handle for increased comfort. Through bolt construction. 4 power positions. One hand operation F/R buttons. Durable and lightweight textured composite housing. 360deg swivel inlet. In-handle exhaust. Specifications: Torque Range - 200-900 ft/lbs / 271-1,220 Nm Maximum Torque - 1,100 ft/lbs (Forward); 1,200 ft/lbs (Reverse) Free Speed - 7,250 rpm Standard Bolt Cap - 1 inch / 25mm Net Weight - 7 lbs/3.2 kg Overall Length - 8.2" Average Air Consumption - 9.5 cfm / 269 I/min. Average Air Consumption @ Load - 40 cfm / 1,133 I/min. Sound (pressure/power) - 102.9 / 115.9 dBA Air Inlet - 3/8" Minimum Hose Size - 1/2" / 13mm