Our factory produces high-quality Coupler Lock with a 1/4" pin and 3/4" latch span, equipped with a reliable brass padlock for added security. Our Coupler Lock is designed to secure trailers, trucks, and other heavy-duty vehicles, ensuring that your cargo stays safe and secure during transportation. The lock is made of durable materials and built to last, with a sturdy construction that resists tampering and corrosion. Our Coupler Lock is easy to use, with simple yet effective locking mechanisms that keep your trailer hitched securely to your vehicle. Trust in our factory's top-quality Coupler Lock to protect your cargo and your investment.