The Avenger C345K-1 TUV Certified Barrel Clamp with T-Knob is a silver aluminum accessory with multiple uses has. It has a retractable 5/8" spigot and a 1-1/8" receiver as well as a T-Knob locking mechanism and a safety cable. This clamp has a load capacity of 1323 lb using the 1-1/8" receiver and can support gear weighing up to 88 lb on the 5/8" pin.It will mount to any pipe between 1.65 and 2.04" in diameter.