Item Name: Extra Long Towing Hitch Lock Receiver Heavy Duty Tow Trailer Hitch Lock Pin. Purpose: Prevent theftMaterial: Zinc AlloySurface treatment: spray paintSpecification:Scope of application: RV Truck Trailer RV Construction Vehicle Camper100% Brand New And High QualityColor: BlackFeatures: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.