Item Name: Anti Rattle Receiver Heavy Duty Tow Trailer Hitch Lock Pin Towing Hitch Lock. 100% Brand New And High QualitySurface treatment: spray paintScope of application: RV Truck Trailer RV Construction Vehicle CamperSpecification:Color: BlackPurpose: Prevent theftMaterial: Zinc AlloyFeatures:Load Rating: 5 / 8 inch pin maximum rated load rating III / IV: 10,000 lbs.Made of high quality solid carbon steel for safety.No need to drill or install, just slide the pin and lock it.The weatherproof cap protects the keyhole from water and dirt while keeping the lock free of rust. Note: 1.Please allow 0-1cm error due to manual measurement.