Features: 1.Application: The trailer hitch receiver is applicable for 2inx2in receiver tube, and is wide applicable for tractor, camper, caravan, RV. 2.Strong Bearing: This 6in hitch receiver assembly allows the use of hitch mounted accessory carriers with strong enough bearing. 3.Heavy Duty: Trailer tow hitch is made of cast steel material, has high hardness, high strength, rustproof, not easy to crack and deform. 4.Function: Trailer hitch receiver adapter is used for protecting your vehicle from scuffs, scratches and even dents, has a long service time. 5.Important Parameters: The square mouth inner diameter of 52x52mm, length of 150mm, aperture of 16.3mm, wall thickness of 6mm. Specification: Item Type: Hitch Ball Mount Material: Cast steel Square Mouth Inner Diameter: Approx. 52x52mm/2.05x2.05in Length: Approx. 150mm/5.91in Aperture: Approx. 16.3mm/0.64in Wall Thickness: Approx. 6mm/0.24in Application: Suitable for tractor, camper, caravan, RV