Our Heavy Duty Trailer Coupling Lock provides superior security for your trailer. Made from durable materials, this lock features a locking mechanism that fits securely over the 1-7/8"x2"ball coupling, preventing unwanted movement or detachment while towing. Additionally, the lock supports up to 2000LBS, ensuring it can handle even the heaviest loads. It's the perfect solution for those looking to protect their trailer from theft and accidental mishaps. With this lock, you can enjoy peace of mind knowing your trailer is safe and secure.Protect against theft and ensure safe towing with our heavy duty trailer coupling lock. Fits 1-7/8"ball coupling and supports up to 2000LBS.