The TimberLine leg attaches to vehicles with raised side rails to expand your carrying capacity and deliver maximum rooftop versatility. Secure and super-sleek, they are quiet, simple to install and compatible with JetStream (Through) Bars and TrimHD Bars (with TrimHD Adapter sold separately). Features Secure, easy-to-use leg specifically designed for vehicles with raised side rails Compatible with JetStream Bars (Through) and TrimHD Bars (with TrimHD Adapter sold separately) No extra hardware; the rubber coated metal band wraps around the rail with included tool Advanced leg architecture is sleek, strong and quiet Tough steel chassis with high rust resistant black zinc nickel coating Made from durable ASA plastic for high wear and weather resistance All components REACH and RoHS compliant Easily locks with included Same Key System (SKS) locks