Receiver lock for 2" x 2" receivers. Use in place of standard pin and clip to prevent drawbar or accessory (bike rack/cargo carrier)theft. DeadBolt Receiver Style with flush locking design. Fits 2" x 2" trailer hitches (Class III and Class IV). For loads not to exceed 10k. Pin diameter: 5/8 inch. Inside width: 2-5/8". Overall length: 6". Double nickel chrome finish. Patented, pickproof screw-and-lock security; 5-pin tumbler; 2 keys. Made in U.S.A.