Durable aluminum roof rack platform is black and includes mounting legs. This Rhino-Rack Pioneer Platform has a modular design with integrated measuring scales on the underside for precise installation. It is constructed from reinforced nylon and aluminum for a lightweight yet strong build. It measures 106”x 58” and does come with the gutter mounts a set of 8 of them this thing was over $2grand new with the mounts. I have it priced for $1000 for a quick sale price is firm.