This Gulfstream IV, GIV, G-IV Theft Deterrent Device is to be installed in the Nose Landing Gear Steering Unit Assembly and is to temporarily replace the Torque Arm Pin while the aircraft is on the ramp or less secure area (Not for use while operating aircraft). A needed item if you frequent less secure airports worldwide. It was fabricated for a Gulfstream GIV, but it may fit other models as well. This was locally manufactured. It comes with everything pictured, and one key.