Master Lock 389DAT Universal Coupler Lock for Trailers

The Master Lock 389DAT Universal Coupler Lock provides heavy-duty theft protection for trailers, boats, and RVs. This versatile security device features a universal design that fits three common coupler sizes: 1-7/8 inch, 2 inch, and 2-5/16 inch couplers, making it compatible with most standard trailers.

Key Features:

• Universal fit for 1-7/8", 2", and 2-5/16" couplers
• Durable steel construction with weather-resistant finish
• High-visibility red powder coat finish deters theft
• Hardened steel lock mechanism resists cutting and sawing
• Easy to install and remove when authorized
• Prevents unauthorized hitching and trailer theft

This coupler lock works by blocking access to the coupler mechanism, preventing a hitch ball from being inserted. The bright red finish serves as a visible deterrent to potential thieves while protecting your investment when parked or stored. Ideal for utility trailers, boat trailers, campers, and equipment trailers.