Vullteeon Universal Trailer Hitch Lock, Fit for 2-5/16" 2" 1-7/8" Couplers, Anti-Theft Max Security Tongue Locks, Solid Steel Enclosed Design Coupler Lock for Boat, RV, Camper, Utility Trailer — Open-Box, 30% Off

2026 NEW-UNIVERSAL TRAILER TONGUE LOCK - Most returns are due to the coupler not fitting properly. Most locks only fit standard couplers, if your coupler has even a slightly unusual shape, they immediately fail to fit, leaving you stuck in a buy-and-return loop. Our patented adjustable trailer lock fits any coupler—Whether your coupler is round or flat, whatever its size or shape, it fits perfectly. No more measuring, no more guessing, no more returns. One lock fits all

MAXIMUM THEFT PROTECTION & HEAVY-DUTY STEEL CONSTRUCTION​ – Engineered for ultimate security, our trailer hitch lock features a fully enclosed, thick 5mm steel housing that completely shrouds the coupler, leaving no access for pry bars or cutting tools. Its substantial weight and solid build act as a powerful visual and physical deterrent against theft, giving you true peace of mind for your boat, RV, camper, or utility trailer

SUPERIOR LOCKING & WEATHER-RESISTANT DESIGN– Equipped with a reliable and pick-resistant puck lock that uses durable curved 3 keys. The keyhole is positioned at the bottom to hinder water entry. The mechanism operates smoothly for easy locking and unlocking. Drainage holes at the bottom allow excess water to drain away promptly, making it more durable. The high-quality powder-coated finish resists scratches, corrosion, and harsh outdoor elements, ensuring long-lasting performance season

ADJUSTMENT METHOD - The lock tongue are adjustable, so you can adjust it to fit whatever coupler you want. When coupler is too big or too thick to difficult fit in, adjust the cylinder to the far end position of the slider. When the coupler is small, or you just want tighter, move the cylinder to the inner end position of the slider. Default position fits most. If you encounter adjustment difficulties, feel free to contact us anytime

EASY INSTALLATION & LASTING VALUE – Experience worry-free security in seconds. Simply slide it on, lock, and go—no tools needed. This versatile, one-lock-fits-all solution seamlessly secures 2-5/16", 2", and 1-7/8" couplers. Crafted from solid, powder-coated steel, it stands up to rain, snow, and sun, season after season. Customers consistently praise its “heavy-duty feel” and “peace of mind,” confirming it outperforms flimsy, cheaper locks. Backed by a strong 3-Year Warranty

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