Antopoline trailer hitch Trailer coupling Crosser Cooknop Language Lock Lock Locking Safety Safety Alloy Alloy Alloy 1 or 4 inch for RV Truck Construction Camping-Car Specification: Product name: Product name: 1 or 4 inch Small tingling towing connector of trailer lock Product material: zinc alloy Surface treatment: spraying, galvanized Product color: black gold Weight: approximately 160g Size: 1 or 4 inch trailer connection hole (diameter 6) Product attribute: Crochet connector lock Application field: RV, truck, trailer, construction vehicle, Camping-car Product function: Anti-thefts Note: Due to the different screens and light effects, the real color of the article can be slightly different from the color displayed in the photos. Thank you Please allow a measurement difference of 1 to 2cm due to the manual measurement. 1 x Trailer lock 2 x key [RelatroductDetail or ] Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.