🔐 Lock It Down, Live Freely! Custom-molded design ensures a perfect fit for 2-5/16" couplers. Engineered with high-quality materials for maximum durability. Features an advanced control and identification key system. User-friendly push-and-lock system for quick operation. Premium rust resistance for all climates, ensuring longevity. Unmatched Security Precision Engineering Rust Resistance The AMPLock U-BRA2516 is a heavy-duty 2-5/16" ball coupler lock designed for ultimate security and ease of use. With its patented two-part design, it fits only 2-5/16" couplers and boasts advanced features like a push-and-lock system, precision molding, and superior rust resistance, making it the ideal choice for protecting your trailer in any environment.