Features: Unique engine design generates power to bury nails in both standard framing lumber and engineered lumber with minimal recoil. Minimized air consumption (20% less) and sufficent power to sink a 3 1/2" x .131" nail into engineered lumber. Nail tray pulls out for easy nail loading and has easy push button for nail size adjustment. Robust motor design that includes a piston catch to provide consistent maximum power in every shot. Tool-free adjustable depth allows for quick and easy depth of drive setting. An overmolded rubber handle allows for a comfortable and controlled operation of the tool. The adjustable rafter hook allows the user to hang the tool on a rafter or belt while not in use. Steel wear guards provide improved Jobsite protection. Trigger lock-off allows trigger to be disabled when not in use.