These slats can be added to a Slimpro Van Rack to create a custom configuration, additional support and extra mounting points. All hardware and brackets are included to fit to your existing Slimpro Van Rack These slats will work with any Front Runner Slimpro Van Rack that uses 1345mm slats. Features T-slots on both the top and bottom faces. The T-slots allow for quick fitting and removal of accessories and equipment. Made from the same black powder-coated aluminum as all Front Runner Racks.