ZHDD Trailer Hitch Lock for 2 Inch Coupler with Safety Chain Lock, Heavy Duty Anti-Theft Trailer Tongue Coupler Lock for RV, Boat, Utility & Cargo Trailers (Black)

Additional Details from the Manufacturer

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• Secures Both Safety Chains and Ball Coupler in One Lock: Picture sliding the lock's inner mount into your 2 inch coupler, attaching your safety chains to the built-in chain anchors, and hearing that satisfying "clack" as everything locks into place. This trailer hitch lock closes the #1 gap thieves exploit — unhooking loose chains to tow your trailer away. One push of the puck lock, and your coupler and chains fuse into a single, gap-free defense. No separate chain locks needed.
• Heat-Treated Carbon Steel Body with Brass Anti-Drill Core: At the heart of this heavy duty trailer lock lies a precision-machined brass cylinder with anti-pick grooves and drill-resistant pins — bump keys, lock-pick sets, and power drills all come up empty. The 10-lb hardened steel housing absorbs sledgehammer strikes, grinder sparks, and crowbar attacks. Three included keys feature a unique profile that cannot be duplicated at standard key-cutting machines.
• Precision Fit for 2 Inch Ball Couplers — Check Your Size First: Engineered exclusively for 2" ball couplers commonly found on utility trailers, small boat trailers, lawn equipment trailers, and light cargo rigs. The snug, precision-fit design leaves zero gaps between lock and coupler — no room for pry bars. Not compatible with 2-5/16" or 1-7/8" couplers. Always measure your coupler opening before ordering to avoid returns.
• Corrosion-Resistant for Year-Round Outdoor Use: Whether drenched by salt spray at a coastal marina, buried in snowdrifts at a mountain storage lot, or baked in desert heat at a trailhead, this trailer tongue lock refuses to quit. The powder-coated finish and fully sealed core operate smoothly from -20°F to 120°F — no rust, no freeze-ups, no key jams, season after season.
• Trusted by RV Owners, Truckers, and Boat Enthusiasts: A single push of the puck-style button locks your coupler in an instant — tool-free lockup in under 10 seconds. When it's time to roll, three drill-resistant keys get you back on the road fast. Whether parked at home, at a marina, or at a storage yard, this ZHDD trailer coupler lock gives you reliable anti-theft security so you spend less time worrying and more time on the road. Backed by ZHDD quality guarantee.