CURT 23021 Trailer Hitch Lock, 5/8-Inch Pin Diameter, Fits Most 3-Inch Receivers

DEPENDABLE SECURITY. To protect your trailer and trailer hitch ball mount from theft, this locking hitch pin is made with high-strength steel construction. EASY TO OPERATE. This deadbolt-style locking hitch pin has a heavy-duty look to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed. VERSATILE. With a 5/8-inch diameter pin, this receiver hitch lock fits virtually any 2-inch, 2-1/2-inch or 3-inch hitch receiver with a 5/8-inch hole, making it a perfect fit for most class 3, class 4 and class 5 hitches. WATERTIGHT. The internal components of this hitch lock can easily be protected from the elements with the included watertight dust cap, while the hitch pin is shielded against corrosion with a durable chrome plating. TWO KEYS INCLUDED. For your convenience, two keys are included with this trailer hitch lock. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access