TowSmart Class V Barrel Trailer Receiver Lock is designed specifically for use on Class V receivers, providing a secure fit with a 3-1/2" span that accommodates 2-1/2" square tube receiver hitches. This lock fits 5/8" pin holes and features a convenient push-button lock mechanism for easy operation. To protect against dirt and debris, it includes a rubber cap, while the bend-proof tubular key ensures durability and reliable security. Made from chrome-plated material, this lock combines strength with a sleek finish, making it a dependable choice for securing your trailer hitch. Model Number: 7033200