Comes in a set of (4), two left-hand side and two right-hand side. Fits to the Toyota Rav4's existing mounting points. No drilling or modification required. Foot rails follow the contours of the vehicle's roof line providing a sturdy base to fit the Front Runner Slimline II Roof Rack. Made of high strength steel and sealed with the same durable, weather resistant powder coating as the Front Runner Roof Racks. Installation hardware and fitting instructions included.