TowSmart Baja 5/8" Barrel Receiver Lock superior security for your boats, campers, trailers, and equipment. Designed with a 5/8-inch diameter pin, it fits most 2-inch, 2-1/2 inch, and 3-inch receivers and is compatible with Class III, IV, and V ball mounts. Made from high-quality steel with a corrosion-resistant black finish, this lock is built to withstand extreme weather conditions. It features a weather-resistant dust cap that protects the locking mechanism from moisture and dirt, ensuring reliable performance every time. Providing a tight and secure fit, it delivers stronger durability d to standard hitch pins. Model Number: 7305