Copertura per gancio di traino in quattro pezzi, copertura protettiva universale in plastica per rimorchi per auto, copertura protettiva per sfera di traino (nera)

【High Quality】The protective cover is made of high-quality plastic, making it waterproof, dustproof, moisture-proof, and tear-resistant. It easily resists rain, dust, dirt, and other corrosive elements, offering a long service life and providing extended protection for your trailer. Practical Protection: Protects the trailer ball and prevents accidental oil stains on clothing. The trailer ball cover can also be used as a small bumper, protecting it from harsh and corrosive outdoor environments, allowing for safer car washing. 【Size】The ball head cover has an outer diameter of 65mm, accommodating all connecting ball heads with a maximum diameter of 50mm. It perfectly fits the shape of the trailer hook with virtually no gaps. Ideal for most trailers, RVs, semi-undercarriages, and boats. 【Easy to Use】Simply press the trailer ball cover onto the trailer ball for quick, easy, and safe installation, requiring no additional tools. The ball cover features a retaining ring to prevent loss. When the trailer needs to be towed, the cover can be removed and stored in the glove box. The package includes: a set of 4 ball head covers, which are suitable for all regular trailer hitches, trailers, cars, and boats, protecting them from mud, rust, road salt, and water damage. They have a long service life and will bring more convenience to your daily life.