The REESE Towpower 72783 Universal Trailer Coupler Lock provides reliable protection against trailer tow-away theft, whether your RV, utility trailer, or boat trailer is parked at home or in storage. Built with a durable aluminum alloy body and a heavy-duty steel lock bar, this coupler lock is engineered to withstand picking, prying, and drill attacks. Its corrosion-resistant and weather-resistant construction ensures dependable performance in all conditions.
With a versatile ratchet design offering 11 locking positions, the lock adjusts easily to fit 1-7/8”, 2”, and 2-5/16” couplers. Installation is fast and straightforward—simply push the U-shaped locking bar into place for a secure fit. The bright, high-visibility yellow coating serves as a strong visual deterrent to would-be thieves, while maintaining a compact footprint for convenient handling and storage.
Ideal for RV owners, trailer users, and anyone hauling valuable gear, this lock delivers strong physical security and everyday ease of use. Each unit includes two keys and comes backed by REESE’s trusted quality.
Technical Details
| Brand | Reese |
| Special Feature | Adjustable |
| Lock Type | Key Lock |
| Item dimensions L x W x H | 9 x 3 x 9 inches |
| Material | Alloy Steel |
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