Heavy Duty Cantilever - Accessories Fixed End Stopper Welded end plates are used as a heavy duty solution for stopping the stored items from rolling off the rack. Coil Beams Specialist beams for the storage of metal coils or reels. Steel Grating Steel Grating can be placed on the arms of cantilever racking to prevent small items falling between the arms. Cantilever Mobile Bases Cantilever racking can be mounted on mobile bases saving space while still allowing access to individual items. Cantilever Roof A light weight roof can be added to protect the racking and goods from the elements. End stoppers Removable stoppers at the end of each arm to anchor the pipes.