(Sold as set of 2) Features Typically purchased as an extra item to mount skids in multiple vehicles, trailers, or to make mobile shop dolly. These are the rails used to mount all skid systems into or on to whatever application of your choice. These rails are permanently bolted down and contain the spring-loaded quick-release pins used for attaching and removing skids. Specifications Weight: 41kg. Dimensions: 1422mm x 305mm x 101mm