FLY model Roof rack This product is suitable for models with a gap between the roof of the vehicle and the roof rail. It is used to carry loads on your vehicle. It is necessary for the installation of bicycle carrier, ski carrier, roof box etc. products. This product is mounted on the roof rails of the vehicle. This product cannot be used in vehicles without roof rails. It is compatible with models that have a gap between the roof of the vehicle and the roof rail. The surface coating is made by anodization. It can be produced in black or gray (please note what color is in the title of the listing). Installation of the product The product assembly instructions are included in the package. The assembly of the product is easy. One person can assemble the product without professional support. Unless a wrong purchase is made, the aluminum bars do not need to be cut. Package Contents 2 Aluminum Bars (Fully compatible with the vehicle in listing title) 4 Pieces Aluminum bar connection set. 4pcs head bracket, 4pcs Elastomer Head Bracket protection 4pcs bottom bracket, (GF30 PA6 or electrostatic painted S 235 steel for some vehicles) 4 Elastomer bottom bracket protectors 4 Bolts (+ or ) 4 Pieces nut 1 Allen key (if the bolt has a head)