"Create extra space for carrying luggage, cargo and other equipment with the Elevate Outdoor Aluminum Universal Locking Cross Bars. These roof bars have a universal, aerodynamic design that fits most minivans, SUVs, and cars with existing side rails. They attach to side rails up to 55"" apart, and support up to 200 lbs. Manufactured in aluminum, each cross bar locks with an included key to prevent unauthorized removal. They are easy to install of T-bold rails and don’t require removing the end caps. The adjust and tighten with the included hex key."