{"product_id":"topick-trailer-coupler-lock-fits-1-7-8-2-2-5-16-couplers-heavy-duty-pvc-coated-u-bolt-weatherproof","title":"TOPICK Trailer Coupler Lock — Fits 1-7\/8\", 2\", 2-5\/16\" Couplers, Heavy-Duty PVC-Coated U-Bolt \u0026 Weatherproof","description":"\u003cstrong\u003eTOPICK Heavy-Duty Trailer Coupler Lock is an adjustable, all-weather coupler lock engineered to fit 1-7\/8\", 2\", and 2-5\/16\" trailer hitch couplers for robust theft deterrence.\u003c\/strong\u003e\n\n\u003cp\u003eThis lock combines a thicker 3\/4-inch PVC-coated U-bolt, a reinforced aluminum-alloy body and an upgraded cylinder to deliver a strong, tamper-resistant barrier for RVs, boats, utility trailers and more. Designed for quick, tool-free installation and corrosion-resistant performance, it’s built to stay functional outdoors while minimizing damage to your trailer’s finish.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the lock fit different coupler sizes?\u003c\/h3\u003e\n\u003cp\u003eThe TOPICK coupler lock uses an adjustable U-bolt and a roomy body profile so it securely clamps over common ball-diameter couplers. Adjust the U-shaped bolt to the correct spacing, drop it over the coupler and lock the unit; the mechanism accommodates 1-7\/8\", 2\" and 2-5\/16\" balls without adapters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable U-bolt clears typical ball diameters for a snug fit\u003c\/li\u003e\n  \u003cli\u003eWide body design prevents leverage around the coupler\u003c\/li\u003e\n  \u003cli\u003eNo extra spacers or fittings required for listed sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes this lock resistant to tampering and cutting?\u003c\/h3\u003e\n\u003cp\u003eThe lock’s U-bolt is a beefy 3\/4-inch diameter rod that resists common pry and cutting tools, while the A36 steel and aluminum-alloy housing adds rigidity and impact resistance. The internal cylinder is engineered with a complex pin layout and a reinforced keyway to make forced entry more difficult.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/4\" diameter U-bolt resists saws and pry bars better than thinner rods\u003c\/li\u003e\n  \u003cli\u003eHigh-strength A36 steel construction plus aluminum-alloy body for toughness\u003c\/li\u003e\n  \u003cli\u003eEnhanced lock cylinder and reinforced keys reduce picking and forced breakage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this lock handle rain, salt, and outdoor storage conditions?\u003c\/h3\u003e\n\u003cp\u003eYes—the TOPICK lock is finished with protective coatings and includes a rubber keyhole cap to shield the cylinder from water, dust and debris. These features slow corrosion and preserve function in wet or coastal conditions, so it remains usable after long exposure to weather.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProtective finish resists rust and UV degradation\u003c\/li\u003e\n  \u003cli\u003eRubber keyhole cover keeps moisture and grit out of the mechanism\u003c\/li\u003e\n  \u003cli\u003eDurable materials chosen for outdoor longevity and reduced maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow fast and simple is installation?\u003c\/h3\u003e\n\u003cp\u003eInstallation is tool-free and can be completed in seconds: align the U-bolt over the coupler, slide the lock body into place and turn the key to secure. The design intentionally keeps the steps minimal so one person can lock or unlock the trailer quickly at roadside or during storage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo additional tools or adapters needed for the specified coupler sizes\u003c\/li\u003e\n  \u003cli\u003eQuick clamp-and-lock action suitable for single-person use\u003c\/li\u003e\n  \u003cli\u003eCompact but sturdy footprint that won’t interfere with towing gear when unlocked\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The TOPICK Heavy-Duty Trailer Coupler Lock is intended for trailer owners who want a higher level of physical deterrence without complicated installation—ideal for RV owners, boaters, landscapers, and anyone storing trailers outside. It’s particularly useful when you need a portable, resilient lock that fits multiple coupler sizes, offers improved resistance to cutting and picking, and endures everyday exposure to weather.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this lock fit a 2-inch trailer coupler?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The TOPICK lock adjusts to fit 1-7\/8\", 2\", and 2-5\/16\" couplers without adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the lock resist rust in coastal conditions?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The lock has protective coatings and a rubber keyhole cap to reduce corrosion and keep the cylinder working in wet environments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TOPICK","offers":[{"title":"Default Title","offer_id":48083358843038,"sku":"B0DQ1B2DWR","price":54.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/topick-front-view-locked-coupler.jpg?v=1785832111","url":"https:\/\/northtrailauto.ca\/products\/topick-trailer-coupler-lock-fits-1-7-8-2-2-5-16-couplers-heavy-duty-pvc-coated-u-bolt-weatherproof","provider":"North Trail Auto","version":"1.0","type":"link"}