1. Trailer Hitch Coupler Locking Pin Design：1/4 Inch diameter tongue lock pin with effective length 3/4 Inch.
2. Small size for easy carrying.
3. The hitch lock is coated with black electrophoretic paint to prevent corrosion.
4. Coupler Locking Hitch Pin's Application: Tow Trailer Boat RV Truck Car.
5. Easy to operate.
6. Pin Hole Siz:1/4 inch (about 6mm)
7. Lock Body:Zinc alloy
