The 4 - CORE system of extruded aluminum rails on Go Rhino's XRS, CEROS and SRM Series of products includes a wide variety of overlanding and trail accessories. The XRS to SRM Connector Brackets allow you to mount one 4 - CORE - equipped product onto another, such as attaching an SRM Basket Rack on top of the XRS Xtreme Rack. XRS To SRM Bracket Kit comes with a Limited Lifetime warranty on materials and construction and a 5 year warranty on the Textured Black Finish.