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 Material: Cast steel, iron galvanized Surface Treatment: Sprayed plastic Square Tube Size: Approx: 50x50mm/1.96X1.96in Installation Size: approx: center distance 85x45mm/3.34x1.77in, aperture: approx: 13.5mm/0.53in Total Height: Approx: 155mm/6.10in Bolt Aperture: Approx: 18mm/0.7in (with matching bolt) Application: Suitable for trailer, camping RV Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 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.