Take sleek to a new level - the ingenious RidgeLine Towers integrate with flush-mount factory side rails so you can build a real rack that carries more. Strong and versatile, they attach easily and have a sleek design that aligns with your vehicle&';s aerodynamic attitude. Product Details Attaches a base rack system to vehicles with flush-mount factory side rails. RidgeClips and crossbars required for a complete system. Both are sold separately. Use Fit My Vehicle to find the clips and crossbars. Advanced design is strong and quiet and aligns with aerodynamic vehicle aesthetics Unique clip design adapts to your rails for a secure, accurate fit BarBed(TM) has 12Adeg of pitch adjustment to optimize tower position and level bars Super-simple installation - tool included Maximum load rating of 165lbs (75kg), depending on vehicle and bar rating Product Specs Weight: 4.80 lbs. Dimensions: L 5.00 in x W 5.25 in x H 3.50 in