1.Trailer Hitch Locking Pin Design: 5/8 Inch diameter with effective length 3-1/2 (3.5) Inch black bent pin. Fit Class III IV 2, 2-1/2 Inch hitch receiver tubes. Please check your hitch setup before ordering
2. Easy to Operate: Our hitch lock is easy to lock and unlock. 1/4 turn the key to open the receiver lock, the pin will pop up automatically
3. Security of Hitch Receiver Lock: This towing hitch lock is made of black electrophoretic painted solid steel. Our upgraded zinc alloy tubular lock core adopts more advanced anti-theft technology to improve safety. And watertight dust cap keep the keyhole away from water and dirt
4. Universal Application: Receiver, hitch ball mount, hitch rack, cargo hitch tray, bike rack and tow rope, suitable for 2, 2-1/2 Inch receiver on trailer, truck, RV, car and boat