Item Type: Trailer Tongue Coupler Lock Material: Aluminum alloy and rubber Application: Suitable for towing boat, trucks, trailers, RVs, cars 1Application: Suitable for towing boat, trucks, RVs, cars, etc. Waterproof rubber cover prevents rain, snow, ice and dust from entering. 2Features: The surface of the lock is coated with silver electrophoretic paint, which is anti theft and practical, stable and reliable. 3Safety Performance: Precise lock cylinder and sturdy key help to improve the security of the lock, bringing you a dependable using experience. 4Reliable Material: The lock is made of high strength aluminum alloy and rubber, which is firm, precise, safe and durable, aging resistant. 5Easy Using: Trailer coupler latch lock can be easily locked and unlocked with a key, and comes with 2 keys to meet your daily needs.1 x TrailerTongueCouplerLock 2 x Keys