{"product_id":"proven-industries-heavy-duty-2-5-16-trailer-coupler-lock-model-2516-hardened-steel-tamper-resistant-key","title":"Proven Industries Heavy-Duty 2 5\/16\" Trailer Coupler Lock Model 2516 — Hardened Steel, Tamper-Resistant Key","description":"\u003cp\u003e\u003cstrong\u003eProven Industries Model 2516 is a heavy-duty, USA-made coupler lock engineered to fit compatible 2 5\/16-inch trailer couplers and deter theft with hardened steel construction and a tamper-resistant key system.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you park a trailer, RV, or camper, the coupler is one of the most vulnerable points for theft or unauthorized towing. The Model 2516 locks over select 2 5\/16\" couplers, creating a robust physical barrier that resists cutting, prying, and lock-picking. Designed and manufactured in the United States, this lock combines tough materials with a proprietary key mechanism for higher security on the road or in storage.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Model 2516 protect my trailer from theft?\u003c\/h3\u003e\n\u003cp\u003eThe Model 2516 uses hardened internal locking components and a thick external housing to slow or prevent attacks with common break-in tools. Its design covers the critical latch and fitting areas of compatible couplers so a thief cannot easily hitch or operate the trailer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHardened-steel internal lock parts resist sawing and drilling.\u003c\/li\u003e\n  \u003cli\u003eThick exterior cover deters hammers, crowbars, and power tools.\u003c\/li\u003e\n  \u003cli\u003eFull coupler enclosure prevents access to the latch or hitch pin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes its key system different from ordinary locks?\u003c\/h3\u003e\n\u003cp\u003eThe Model 2516 employs a unique key profile and an internal locking mechanism that reduce the chance of picking or unauthorized duplication. The keyway and internal components are designed to be non-standard so casual attempts to manipulate the lock or copy keys are much harder.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProprietary key shape resists common key-duplication methods.\u003c\/li\u003e\n  \u003cli\u003eInternal mechanism prevents easy lock manipulation or picking.\u003c\/li\u003e\n  \u003cli\u003eKeyed system simplifies operation while improving security.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich couplers will this lock fit and how do I confirm compatibility?\u003c\/h3\u003e\n\u003cp\u003eThis model is custom-fit for select 2 5\/16\" trailer couplers; it is not universal. Verify your coupler measures 2 5\/16\" and check the coupler's shape and latch style against the lock's mounting profile before purchasing to ensure a secure fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned specifically for 2 5\/16\" coupler diameters and compatible latch geometries.\u003c\/li\u003e\n  \u003cli\u003eNot suitable for smaller or nonstandard coupler sizes—measure first.\u003c\/li\u003e\n  \u003cli\u003eConsult product specs or Proven Industries support if unsure about fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the lock for outdoor and long-term use?\u003c\/h3\u003e\n\u003cp\u003eThe lock is built for harsh conditions and repeated use, with materials and finishes chosen to withstand weather and physical attack. Regular maintenance like keeping the keyway clear and occasional lubrication helps preserve its performance for years.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHardened-steel internals for long-term mechanical strength.\u003c\/li\u003e\n  \u003cli\u003eRugged cover resists corrosion and impact damage.\u003c\/li\u003e\n  \u003cli\u003eMade in USA manufacturing for consistent quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Proven Industries Model 2516 is suited for trailer owners, RV and camper enthusiasts, fleet operators, and anyone storing or parking trailers in public or unsecured areas who want a robust, purpose-built coupler lock. If you have a compatible 2 5\/16\" coupler and need a durable, tamper-resistant locking solution manufactured in the USA, this lock provides a straightforward, physical deterrent against unauthorized towing and theft.\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 the Model 2516 fit any 2 5\/16-inch coupler?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits many—but not all—2 5\/16\" couplers. Confirm your coupler diameter and latch shape against the lock's specifications before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the lock withstand power tools or crowbars?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hardened internals and tough exterior significantly resist cutting, prying, and common power-tool attacks, though no lock is completely invulnerable.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Proven Industries","offers":[{"title":"Default Title","offer_id":48082884526238,"sku":"B0G319Y11G","price":417.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/proven-industries-model-2516-front-view.jpg?v=1785817917","url":"https:\/\/northtrailauto.ca\/products\/proven-industries-heavy-duty-2-5-16-trailer-coupler-lock-model-2516-hardened-steel-tamper-resistant-key","provider":"North Trail Auto","version":"1.0","type":"link"}