High Quality Materials: The black tow ball cover with tow bar snap ring is made of high quality PVC, which is waterproof, moisture-proof, antioxidant, wear-resistant and durable. corrosion. The black appearance is more environmentally friendly and durable.Size: The tow ball guard with protective cap retaining ring is suitable for all trailer balls with a diameter of 50 mm. The amount is enough for your daily exchange and use, and can be used in any weather to protect your car trailer hinge from damage.Full Protection: The black tow ball shield for the pintle hook cover from corrosion or damage. The tow bar protection cap with lock ring can prevent loss and also can be used as a small bumper when parking for safe car washing.Ease of use: The hitch ball protector with snap ring does not require any additional tools. Just slip on, easy to install and remove. You can replace the new hitch protection cap and adapt it perfectly to the shape of your trailer hitch.Wide Range of Use: This black hitch ball guard with protective snap ring is suitable for trailer hitches of most vehicles such as fire trucks, trucks, RVs, container trucks, SUVs, cars, yachts, etc.Height Dimensions: 70MMOuter Diameter: 60MMInner Diameter: 50MMMaterial:PVCcolour:BlackPackage Contents:6 * Car Trailer Hook ProtectorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.