Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT 377KA Trailer Hitch Lock, Fits 1-7/8 in., 2 in., and Most 2-5/16 in. Trailer Couplers
4.9 (102 items)
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Product details
| Management number | 212816633 | Release Date | 2026/04/12 | List Price | $38.92 | Model Number | 212816633 | ||
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This bundle contains two items, 1x Master Lock 378DAT Trailer Coupler Lock and 1x Master Lock 377KA Trailer Coupler Lock: The Master Lock 378DAT features a 2-5/16 in. (59 mm) trailer coupler lock, designed to resist rust and corrosion. The advanced locking mechanism provides resistance to picking and prying. The Master Lock 377KA features a trailer coupler lock, designed to fit 1-7/8 in. (48 mm), 2 in. (51 mm) and most 2-5/16 in. (59 mm) trailer couplers. The advanced locking mechanism provides resistance to picking and prying. The Limited Lifetime Warranty provides peace of mind from a brand you know and can trust.
- Coupler lock is best used for trailers; Works best with Straight Tongue Trailer Couplers
- Advance locking mechanism resists picking and prying
- Designed to resist rust and corrosion
- Fits 2-5/16 in. (59 mm) trailer couplers; Does not fit Gooseneck Trailer Couplers
- Trailer hitch lock fits 1-7/8 in. (48mm), 2 in. (51mm) and most 2-5/16 in. (59mm) trailer couplers
- Trailer lock is best used for vehicles, trailers, and RVs
- Trailer coupler lock features advanced locking mechanism to resist picking and prying
- Trailer hitch lock is constructed from zinc to resist rust and corrosion
| Brand | Master Lock |
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Hitch Locks
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