TRIMAX 1/2" Receiver Hitch Locking Pin part # T2 is used to secure the receptacle part of a trailer hitch (attached to a vehicle) to inserts such as ball mounts, drawbars, accessory carriers or ornamental receiver plugs. The T2 features a triple plated chrome finish and hardened steel and provides instant security for your camper, boat or trailer by securing your vehicle receiver hitch. This locking pin features patented 1/4 turn technology that cannot be false locked. This 1/2" pin fits all Class II receiver hitches and comes with a Type A, spring loaded, 7 pin, high security key. This rugged and durable key resists attempted drill outs and will not bend or break. TRIMAX makes the worlds toughest locks and offers a lifetime warranty on all of their products.