The foot of Thule Evo roof racks is easy to install on vehicles with roof rails Cargo rack legs for the ThuleEvo roof rack system The package contains only the set of legs (4 pieces), which can be supplemented with an installation kit if necessary and a suitable load carrier tube. The ergonomic tightening limit indicates when the rack is correctly and safely attached to the vehicle Fastens to the car with Thule One Key locks (included in the product)