Reese Towpower Professional 5/8 in. Towing Receiver Lock - 8049925
Reese Towpower 5/8 in. professional towing receiver locks are the most theft-resistant locks in the towing industry. Its superior strength is derived from a patented locking design that does not require shaft diameter reductions which cause weak points. Weak points enable a thief to break the lock shaft more easily and escape with your trailer.