1、Premium Material: The gooseneck trailer lock is made from robust metal that can withstand extreme conditions, ensuring durability and long term use. 2、Rust and Oxidation Proof: The gooseneck hitch lock features a rust proof composition, ensuring superior performance and resistance against oxidation and wear. 3、Anti Theft and Reliable Protection: The trailer hitch lock is resistant against wire clip breaking, offering an additional layer of protection for your trailer against thieves. 4、2 Pin Adjustable: The trailer coupler lock is designed with an adjustable two pin position for easy customization, it ensures a perfect fit and enhanced security for your trailers. 5、Versatile Usage: The coupler hitch lock is perfectly suitable for various types of vehicle towing like RV or heavy duty trailers, a valuable security measure for your outdoor travels. Item Type: Gooseneck Trailer Hitch Lock Size: Approx. 11in x 6-1/4 in x 4-1/2 in (L x W x H) Pin Diameter: Approx. 3/4in Application: Compatible with all 2 5/16 inch goose neck couplers Fitment: Suitable for RV, Trailer 1 x Gooseneck Trailer Lock 1 x Pin 1 x Lock 2 x Key