These foot rails fit the Ram 1500 Quad Cab and allows a 4 slat Slimline II to be fitted with an Over Cab Camper installed. The foot rails is also suitable for the following models (Installs at the same front mounting point): RAM 1500 - Quad Crew Cab RAM 2500 - Regular, Crew Mega Cab RAM 3500 - Regular, Crew Mega Cab RAM 4500 - Regular, Crew Cab Comes in a set of (2) two, the left-hand side and right-hand side. The foot rails follow the contours of the vehicle's roof line, providing a sturdy base to fit the Front Runner Roof Rack. Made of high strength steel and sealed with the same durable, weather-resistant powder coating as the Front Runner Roof Rack. Drilling into the vehicle's roof is required. Installation hardware and fitting instructions included.