This Rack Kit is for truck camper shells and trailers that have roof top sizes no larger than approximately 1425mm/56.1'' (W) x 752mm/29.6'' (L). The Slimline II Tray mounts to four (4) supplied Feet that slide in to the supplied Track. The 750mm/29.5 long pair of tracks can be easily mounted to your canopy/shell or trailer.See the Track installation instructions in the INSTALL tab for further details.
