Extreme Max Safety Lock Pin 3/8. The connector is designed to work with traditional split swivel pins as well as the patented swivel connectors on certain types of recreational vehicles. It is constructed of quality and durable materials needed in an often seen application. The safety pin connector is a swivel connector that allows the vehicle or vehicle and trailer to be swiveled to one side. This provides a wobble-free installation and prevents the door from coming unbolded when the safety pin is in place. This product has a limited lifetime warranty. Package Contents: Extreme Max 149.1305 Safety Lock Pin 3/8 Extreme Max 149.1305: Safety Lock Pin 3/8