US Hardware 5/16 in. Pin Coupler Lock 6449060

The US Hardware 5/16 in. Pin Coupler Lock is engineered to provide dependable security for trailer couplers, preventing accidental disconnection and unauthorized removal. Crafted from sturdy steel, it delivers durable performance under demanding towing conditions. Featuring a silver zinc plating, this lock resists rust and corrosion from outdoor exposure. It provides a reliable, easy-to-use solution for securing agricultural, utility, and recreational trailer hitches.