General description To protect your trailer and trailer hitch ball mount from theft, this locking hitch pin is made of high-strength steel. The dumbbell-style locking hitch pin promotes an impenetrable appearance to deter theft and uses a simple quarter-turn locking activation for convenient locking and unlocking as needed. Technical specifications Pin diameter: 5/8 inch Usable pin length: 2.85 inches Material: High-strength steel Compatibility and accessories Fits virtually any 2 x 2 hitch receiver with a 5/8 hole Not compatible with double-wall receiver tubes Includes two keys Includes waterproof dust cap Other information Durable powder coat finish protects against corrosion Waterproof dust cap protects internal components from the elements