Features 1. Waterproof, Dustproof, Oilproof: Made of high-quality ABS plastic material, providing protection against water, dust, and oil. 2. Prevents Loosening and Falling: The trailer coupling guard fits securely on the ball head and includes a screw knob to prevent loosening or detachment. 3. Replaces Old Cover: Designed to replace worn or damaged trailer coupling covers, offering a practical and reliable solution. 4. Protective Cover: Suitable for use on trailer hitch balls for trucks, semi-trailers, cars, and other vehicles. 5. Long Service Life: Features a stable structure and durable construction for extended performance. Specification Item Type: Tow Bar Ball Cap Application: Protective cover for trailer hitch balls used on trucks, semi-trailers, cars, and similar vehicles. Package List 1 x Tow Bar Ball Cap