General description The car trailer hitch lock is designed for secure towing applications, including RVs and boats. It features a compact size for easy portability, allowing you to store it conveniently in your bag or vehicle. Technical specifications Lock diameter: 1/4 inch Span: 3/4 inch Material: High strength steel Color: Black Hole size: 1/4 inch (approx. 6mm) Package dimensions: 5 x 4.5 x 2.5 cm Contents: 1 trailer lock, 2 buttons Usage To use the trailer hitch lock, turn the wrench 5-7 times to open or close the lock. Other information The hitch lock is coated with black electro-dip paint to prevent corrosion.