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