Comes in a set of (4) four, (2) two for the left-hand side, and (2) two for the right. Compatible with the ‘shark fin’ antenna. Foot rails follow the contours of the vehicle's roof line providing a sturdy base to fit the Front Runner Slimline II Roof Rack. These Foot Rails contain 1 opening to access a Front Runner under rack mount table (1 smaller TBRA018 or 1 larger TBRA017). Made of high-strength 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. Drilling and modification are required for installation.