This CURT hitch lock features a barbell design and comes with a 1/2" pin diameter to fit a 1-1/4" receiver tube size. CURT barbell hitch locks are comprised of a pin with two end caps and a round locking mechanism. They are key-operated and activate with a simple 1/4-turn. They also come with a watertight dust cap to keep out the elements and prevent corrosion.
1/2" diameter pin fits 1-1/4" x 1-1/4" receiver tubes