AIRCAT 1900-A 1-Inch Drive, 8-Inch Anvil Air Impact Wrench, Black/Silver 1900 Ft-Lbs of Torque. Rec.Hose Size-1/2 inch. Length- 15.5 inch 2 Year Parts & Labor Warranty Triple heat treated Ni-Cr-Mo alloy steel Hammer Mechanism and Anvil Molded-On Rubber buffers on Front Hammer Case and Motor Housing protects tool and increase Durability Rubber inlay on Trigger & Side Handle for operator comfort