This pair of rails with built in feet is used to mount the Front Runner Slimline II Roof Rack to the Nissan NV300, Fiat Talento, Opel Vivario or Renault Traffic Comes in a set of (2) two. Left-hand side and right-hand side. No drilling is required for installation. Made of steel and sealed with the same durable, weather-resistant powder coating as the Front Runner Slimline II Roof Rack. Installation hardware and fitting instructions included.