Comes in a set of (4) four rails: 1 pair of front rails and 1 pair of rear clamp-on rails with all installation hardware included. The front Foot Rails fit to the factory accessory mounting points on the top of the windshield and the rear rails clamp on using the rear factory clamp points in the roof. Foot rails follow the contours of the vehicle's roof line providing a sturdy base to fit the Front Runner Slimline II Roof Rack. The front roof panels are removable with the rack and rails installed Made of steel and sealed with the same durable, weather-resistant powder coating as Front Runner racks. Installation hardware and fitting instructions are included.