Trailer Shock Absorbers Rubber Hitch Receiver Eliminate Noise Provide CushionFeatures: Reduce noise: reduce the friction between the receiver and the hook, avoid violent friction, thereby extending the service life of the device and making it more durable. The friction is made of sturdy rubber material, with a pressure resistance of 4Mpa, which can minimize the friction of the receiver. Adaptability: The receiver silencer pad is compatible with most trailer trailer trailer hitch devices or hitch ball operators. Muffler pad: The muffler pad can be used as a universal cushion for most 2-inch trailer receivers and hitch balls. Designed for optimal comfort, allowing you to install it in a flash, when needed. Just snap it into the hitch receiver and push into place. It is so simple. The muffler pad provides a cushion between the steel receiver and the steel hitch for Eliminate the harmful and annoying rattle from the road. Package Includes: 5 x Silencer Pad Specifications: Material:Rubber Size:Approx.1.3x5.1x7.6cm/0.5x2.1x3inches Color:Black note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.