--- product_id: 870824435 title: "Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers – RV & Trailer Anti-Theft Lock, Made in USA" brand: "proven industries" price: "€ 1535.27" currency: EUR in_stock: true reviews_count: 5 url: https://www.desertcart.hr/products/870824435-proven-industries-model-2516-heavy-duty-trailer-coupler-lock-2 store_origin: HR region: Croatia --- # Hardened steel lock body Pick-proof unique key design Power tool & hammer resistant Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers – RV & Trailer Anti-Theft Lock, Made in USA **Brand:** proven industries **Price:** € 1535.27 **Availability:** ✅ In Stock ## Summary > 🛡️ Lock it down, stand out — secure your trailer like a pro! ## Quick Answers - **What is this?** Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers – RV & Trailer Anti-Theft Lock, Made in USA by proven industries - **How much does it cost?** € 1535.27 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/870824435-proven-industries-model-2516-heavy-duty-trailer-coupler-lock-2) ## Best For - proven industries enthusiasts ## Why This Product - Trusted proven industries brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fit:** Custom-designed exclusively for 2 5/16-inch trailer couplers—no loose fits, no compromises. - • **Weather Warrior:** Built tough to withstand rain, sun, and harsh outdoor conditions without rust or wear. - • **Keyed to Protect:** Innovative disc-detainer key system prevents lock picking and unauthorized key duplication. - • **Proudly American:** Crafted with care in the USA by Proven Industries, trusted by 1,590+ users with 4.7-star rating. - • **Unbreakable Security:** Hardened alloy steel resists crowbars & power tools for ultimate theft defense. ## Overview The Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock is a premium, weather-resistant security solution engineered from hardened alloy steel. Designed exclusively for 2 5/16-inch couplers, it features a patented disc-detainer key system that prevents picking and key duplication. Manufactured in the USA, this lock offers robust protection against theft attempts using power tools, hammers, or crowbars, making it the go-to choice for securing trailers, RVs, and outdoor equipment. ## Description Without high-quality utility trailer locks, you can’t protect your trailers and personal possessions. Our Model 2516 Trailer Lock is a safe, powerful lock designed to help you increase the security of your trailers or RVs. It can even be used to secure safety chains! The unique key design prevents people from creating a copy of your key. Help protect your possessions and work equipment with our incredible heavy-duty coupler lock. This custom-tailored trailer and RV lock is designed to fit only very specific 2 5/16-inch trailer couplers. Check to make sure that your coupler is compatible with the lock you select. Our secure trailer lock is easy to install and is made of 3 pieces: an inner slide, an exterior shield, and a puck lock. To use, attach the inner slide to your coupler and engage the latch. Place the exterior shield over the coupler and line up the 2 slide tabs. Then, place the puck lock over the tabs. Add this lock to your camper and travel-trailer accessories to add durable protection to your belongings. Proven Industries is a family-owned business dedicated to helping you safeguard your trailers from theft and damage. We manufacture our locks in the USA with care and attention to every detail. You can rely on our high-quality locking products. ## Features - HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. Our strong coupler lock fits select 2 5/16-inch trailer couplers to help keep your trailer secure. - TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to stop burglars from using power tools, hammers, and crowbars on your lock. - UNIQUE KEY DESIGN: Our trailer lock has a special key design that prevents anyone from picking the lock. This innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key. - CUSTOM TRAILER-COUPLER LOCK: This custom-tailored lock will only mount on specific 2 5/16-inch couplers. Make sure to check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler. - PROVEN INDUSTRIES: We are dedicated to providing our customers with the most effective trailer locks on the market. We carefully research and manufacture our locking systems from conception to fabrication in the USA. ## Technical Specifications | Specification | Value | |---------------|-------| | Additional Features | Weather Resistant | | Asin | B0G319Y11G | | Brand Name | Proven Industries | | Colour | Black-Square | | Country Of Publication | USA | | Customer Reviews | 4.7 4.7 out of 5 stars (1,590) 4.7 out of 5 stars | | Included Components | inner slide, exterior shield, puck lock | | Item Dimensions | 19.1 x 14.3 x 17.8 Centimeters | | Item Weight | 5.9 kg | | Lock Type | Disc-Detainer | | Manufacturer | Proven Locks | | Manufacturer Part Number | 2516 | | Material Type | Alloy Steel | | Model Name | 2516 | | Model Number | 2516 | | Number Of Items | 1 | | Number Of Packs | 1 | | Number Of Pieces | 1 | | Recommended Uses For Product | Securing trailers, RVs, and outdoor equipment | | Style Name | Traditional | | Unit Count | 1.0 Count | | Upc | 810104184304 | ## Images ![Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers – RV & Trailer Anti-Theft Lock, Made in USA - Image 1](https://m.media-amazon.com/images/I/71R6-dxalkL.jpg) ![Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers – RV & Trailer Anti-Theft Lock, Made in USA - Image 2](https://m.media-amazon.com/images/I/71iD6ppbeaL.jpg) ![Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers – RV & Trailer Anti-Theft Lock, Made in USA - Image 3](https://m.media-amazon.com/images/I/71Z8sQouNSL.jpg) ![Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers – RV & Trailer Anti-Theft Lock, Made in USA - Image 4](https://m.media-amazon.com/images/I/71H79dGN55L.jpg) ![Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers – RV & Trailer Anti-Theft Lock, Made in USA - Image 5](https://m.media-amazon.com/images/I/71hD7LxyTaL.jpg) ## Available Options This product comes in different **Colour** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great fit *by on Reviewed in Canada 2 January 2025* Great fit. Good deterrent. Suggest changing out the lock. ### ⭐⭐⭐⭐⭐ Four years in and still going strong — peace of mind for my tiny house trailer *by on Reviewed in Canada 19 June 2026* I've been using this lock on my tiny house trailer for over four years now and it has been completely reliable. No issues with the mechanism, no rust problems, no signs of wear that would make me question it. It just does its job every time.For anyone securing a tiny house or a heavy trailer, the fact that it fits the 2 5/16-inch coupler and also secures the safety chains is a big deal — it's not just stopping someone from hitching up and driving off, it's locking down the whole connection point.Who this is for: Anyone with a 2 5/16-inch coupler trailer who wants a serious lock they can trust long term. Tiny house owners especially — this is exactly the kind of thing worth spending money on rather than cutting corners.Any downsides? None that I've encountered after four years of use. That's really all that needs to be said. ### ⭐⭐⭐⭐⭐ Solid Security for Your Trailer - Proven Industries Model 2516 Trailer Lock *by on Reviewed in the United States 29 February 2024* I recently purchased the Proven Industries Model 2516 Trailer Lock, and I must say it has exceeded my expectations in terms of security and durability. As someone who values the safety of my belongings, especially when it comes to my trailer, finding a reliable lock was paramount, and the Model 2516 did not disappoint.The first thing that caught my attention was the build quality. This lock is constructed with hardened steel, making it incredibly resistant to tampering or brute force attacks. The robust design instills confidence that my trailer is well-protected against theft. The heavy-duty construction also gives it a substantial feel, reinforcing its reliability.Installation was a breeze, thanks to the user-friendly design and clear instructions provided by Proven Industries. The lock fits seamlessly onto my trailer hitch, and the precision engineering ensures a snug and secure fit. The lock even allows for safety chains to be locked inside the case. Once in place, it's evident that this lock is not going anywhere – a vital aspect for those of us who leave trailers unattended for extended periods.One of the standout features of the Model 2516 is its drill-resistant lock cylinder. This adds an extra layer of security, deterring potential thieves who might attempt to compromise the lock with conventional tools. It's reassuring to know that Proven Industries has taken measures to protect against various methods of tampering. Proven Industries' customer service was able to hook me up with a lock cylinder that is keyed the same as the other four Proven puck-locks that I purchased for my trailer.I look forward to Proven's claim of the lock's resistance to the elements. Living in an area with diverse weather conditions, I needed a lock that can withstand rain, snow, and UV exposure. The Model 2516's corrosion-resistant materials ensure it remains in optimal condition, providing long-lasting protection for my trailer.In conclusion, the Proven Industries Model 2516 Trailer Lock is a top-notch investment for anyone serious about safeguarding their trailer. Its robust construction, drill-resistant lock cylinder, and weather-resistant features make it a reliable and durable choice. While it may come at a slightly higher price point than some alternatives, the peace of mind and security it provides are well worth the investment. I highly recommend the Proven Industries Model 2516 to fellow trailer owners who prioritize the safety of their valuable assets. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/870824435-proven-industries-model-2516-heavy-duty-trailer-coupler-lock-2](https://www.desertcart.hr/products/870824435-proven-industries-model-2516-heavy-duty-trailer-coupler-lock-2) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-01*