NUOVEPE Trailer Lock Fits 2 5/16 Inch Couplers, Secures Safety Chains Anti-Theft Ball Hitch Lock, Pry-Resistant & Heavy-Duty Trailer Hitch Locks for RV | Cargo | Camper | Dump Trailer (Blue)

Additional Details from the Manufacturer

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• FITMENT CHECK: Please confirm your 2-5/16" trailer coupler matches the compatible styles shown in the product images before purchasing for proper fit and secure locking performance
• DUAL-DEFENSE VAULT-SEAL: Most trailer locks only secure the coupler, leaving exposed safety chains vulnerable to bolt cutters. NUOVEPE trailer tongue lock both at once: slide the inner mechanism into your 2-5/16″ coupler, secure the safety chains to the integrated ball mount, and press to lock. One solid “clack” creates a reinforced anti-theft barrier with reduced pry points and no exposed chain gaps. Ideal for boat ramps, marina parking, dump trailers, cargo trailers, and overnight outdoor storage
• ARMOR-GRADE STEEL PROTECTION: Reinforced heat-treated steel housing helps resist pry bars, bolt cutters, hammer strikes, and smash-and-grab theft attempts without easily cracking or deforming under pressure. Designed for dump trailers, equipment trailers, cargo trailers, travel trailers, and motorcycle haulers exposed to gravel roads, construction sites, boat ramps, and high-theft parking areas. Heavy-duty construction helps increase cutting time, noise, and effort during theft attempts
• FORTRESS-GRADE SEALED BRASS CORE: Precision-machined solid brass lock cylinder features anti-pick grooves, hardened drill-resistant pins, and a fully sealed keyway designed to block moisture, road salt, mud, and dust. Built to help resist bump-key attacks, lock picking, and drilling attempts commonly used against standard trailer coupler locks. Engineered for RV trailers, boat trailers, utility trailers, and high-humidity or freezing outdoor environments where lock binding is a common problem
• ELEMENT-PROOF ALL-WEATHER PERFORMANCE: Durable powder-coated exterior and fully sealed lock core help resist salt spray, rain, snow, mud, desert dust, UV exposure, and road grime in harsh outdoor conditions. NUOVEPE trailer locks ball hitch designed for marina launches, landfill runs, muddy jobsites, freezing winters, and long-term trailer parking with reduced maintenance and smoother year-round operation
• ONE-CLICK FAST LOCKING: Patented puck-style push-lock system secures your trailer in seconds without loose pins, complicated alignment, or stiff locking levers. Built for fast daily use during gas station stops, campground parking, marina launches, work sites, and frequent trailer switching. Includes 5 heavy-duty keys for stash one in the truck, one in the garage, one in the glove box, and still have spares