Features: 1.Stable Connection: The receiver can be connected to the trailer to better secure RVs, transport boats, and high strength to ensure a stable journey. 2.Sprayed Plastic Surface: Trailer bumper hitch receiver is made of sprayed plastic treatment surface, exquisite craftsmanship and upgraded design bring you reliable use effect. 3.Application: Receiver mounting size center distance is 85x45mm/3.34x1.77in, hole diameter is 13.5mm/0.53in, and suitable for trailer, camping RV. 4.Anti Rust: Trailer receiver tube is made of cast steel, iron galvanized material, high hardness, rustproof, not easy to break or deform, sturdy and durable. 5.Simple Installation: Easy to install without any modification, no complicated operation is required, convenient for using, saving your time and energy. Specification: Item Type: Trailer Receiver Tube_x000D_ Material: Cast steel, iron galvanized_x000D_ Surface Treatment: Sprayed plastic_x000D_ Square Tube Size: Approx: 50x50mm/1.96X1.96in_x000D_ Installation Size: approx: center distance 85x45mm/3.34x1.77in, aperture: approx: 13.5mm/0.53in_x000D_ _x000D_ Total Height: Approx: 155mm/6.10in_x000D_ Bolt Aperture: Approx: 18mm/0.7in (with matching bolt)_x000D_ _x000D_ Application: Suitable for trailer, camping RV Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.