Features: 1.A great traction device can be used for trailers, piles and brushes, trailer hitch extension for class 3 or 4 hitch receiver. 2.Ideal for add parts to hitch mount bike rack or cargo carrierrs to clear spare tire. 3.Made of high quality steel, has excellent safety and corrosion resistance, dust and corrosion resistance. 4.Hitch tightener are highly recommeded for tight fit and noise reduce, can work with 5/8 in hitch pin kit or lock. 5.Black powder coat finished with 5000 lbs GTW / 500 lbs TW capacity, has excellent durability. Specification: Item Type: Towing Extender_x000D_ Material: Steel(2in and 2-3/8in steel square tube)_x000D_ Overall Length: Approx. 33cm/13.0in_x000D_ Wall Thickness: Approx. 0.235in_x000D_ _x000D_ Distance between 2 Pin Hole Ceter: Approx. 20.5cm/8.1in_x000D_ Capacity: Gross Tongue Weight is Restricted to 500lbs Maximum_x000D_ Pin Hole Size: Approx. 5/8in