4 Pieces Bump Stops Rubber Pad Adapter for Jack Stand Universal Rubber Door Rail Pinch Welds Protector K0AF Features: Set Of 4 Solid 2.5" Rubber Bumpers. Very durable and not easily damaged, it prevents the chassis rails from squeezing, bending and breaking. Flexible enough not to damage the metal of the vehicle, but hard enough to support it. Used as a bump stop in multiple applications. Prevents damage to trailers. Specifications: Material: Rubber Size: Approx.2.5inch Package Includes: 4x Rubber Bumpers 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.