TowSmart Baja 5/8 In. Bent Pin Barrel Receiver Lock & Coupler Lock provides dependable security for your boats, campers, trailers, and equipment, helping to prevent theft. This sturdy steel barrel-style lock features a 5/8-inch bent pin that fits most 2-inch, 2-1/2 inch, and 3-inch receivers, and it is compatible with Class III, IV, and V ball mounts. Its corrosion-resistant black finish and weather-resistant dust caps ensure long-lasting durability and protection even in harsh weather conditions. for securing ball mounts, hitch accessories, or locking trailers to ball mounts, this lock a snug and secure fit, giving you peace of mind wherever you go. Model Number: 7306