FRONT RUNNER MERCEDES X-CLASS FOOT RAILSProduct Description This pair of rails, with integrated mounting feet, is used to attach the Front Runner Slimline II rack to the Mercedes X Class. Comes in a set of (2) two (left hand side and right hand side). The Foot Rails follow the contour of the vehicle's roofline providing a sturdy base to fit the Front Runner Slimline II Roof Rack or Load Bars. These Foot Rails contain 1 opening to access a Front Runner under rack mounted table (1 smaller