Designed for utility, horse/livestock, cargo, and construction trailer applications, BULLDOG Collar-Lok Heavy Duty Couplers are the strongest in the industry. The BULLDOG design features the only automatic and continuously tight ball fit in the industry. A variety of coupler styles, tongue mounts, and latches allow configurations to match virtually any trailer.
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- Easiest to use.
- Strong in both static and dynamic loading conditions.
- Hinged ball socket for easy hook up.
- Clear, visual indication of proper closure.
