🔐 Lock in peace of mind, wherever the road takes you.
The Master Lock Universal Trailer Coupler Lock (#389DAT) offers a robust, pick-resistant locking mechanism designed to fit a wide range of trailer coupler sizes (1-7/8" to 2-5/16"). Featuring a bright red finish for high visibility deterrence and constructed from rust-resistant materials, this lock provides durable, reliable security with easy installation and removal—perfect for professional travelers and trailer owners seeking trusted protection.
| ASIN | B01MYCT0LG |
| Best Sellers Rank | #5,488 in Automotive ( See Top 100 in Automotive ) #13 in Towing Hitch Locks |
| Brand | Master Lock |
| Customer Reviews | 4.7 4.7 out of 5 stars (17,349) |
| Date First Available | January 26, 2017 |
| Exterior | Chrome |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1 pounds |
| Item model number | 379ATPY |
| Manufacturer | Master Lock |
| Manufacturer Part Number | 389DAT |
| Model | 379ATPY |
| Product Dimensions | 3.6 x 7.6 x 6.7 inches |
| Special Features | Advanced locking mechanism, Resists picking and prying, Rekeyable |
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