This lightweight and rigid 2mm-thick solid carbon dietary fiber stays are to be used with back (product 15467) Sliding Dampers. They replace the aluminum roller stay parts in Item 15467. The roller stay is an integral part of wide sliding dampers, since it slides once the Mini 4WD vehicle hits a fence, assisting it to soak up impact. Created from durable 2mm dense carbon fiber. Carbon fiber stays offer an approximate fat preserving of 40% over standard aluminum parts. The Tamiya logo design is printed in white. Roller holes function printed size markings. Screws and washers, etc. are included for attachment. Can also be attached right to the framework it self. Directions reveal 2 examples. Item 95285 works with with MA and AR chassis cars fitted with Item 15467.