Cargo trailer door locks

Protect your trailer, RV, or camper with the Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock — a premium anti-theft solution designed for maximum security and peace of mind. Built in the USA with high-strength alloy steel, this lock is engineered to withstand even the toughest tampering attempts.

Specifically designed to fit 2-5/16-inch trailer couplers, this custom-fit lock provides a tight and secure installation that prevents unauthorized access. Its hardened steel locking mechanism and rugged outer casing offer superior resistance against cutting, drilling, hammering, and prying, making it an ideal choice for safeguarding valuable trailers and equipment.

What sets this lock apart is its advanced disc-detainer locking system, paired with a unique key design that prevents lock picking and unauthorized key duplication. This innovative system ensures that only you have access to your trailer, adding an extra layer of protection against theft.

The weather-resistant construction ensures reliable performance in harsh outdoor conditions, whether you're parking your trailer in a driveway, storage lot, or campsite. Its robust design makes it perfect for travel trailers, RVs, utility trailers, and boat trailers.

If you're serious about trailer security, the Proven Industries Model 2516 delivers industry-leading protection, durability, and reliability.

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✅ Key Features

• Heavy-duty trailer coupler lock for 2-5/16" couplers
• Constructed from hardened alloy steel for maximum security
• Advanced disc-detainer lock system prevents picking
• Unique key design prevents unauthorized duplication
• Resistant to cutting, drilling, prying, and hammering
• Weather-resistant for long-lasting outdoor use
• Custom-fit design for enhanced protection
• Made in USA with premium craftsmanship
• Ideal for RVs, campers, boat trailers, and utility trailers