[FOLDING: Locks at different angles to suit different shapes of kayaks DURABLE: Made of rust resistant steel & flexible rubber padding LOW PROFILE: Easily fold down when not is use. Takes up minimal rooftop space UNIVERSAL: Fits most shaped crossbars ranging from 1" to 3.5" wide SECURE: Straps go around your kayak & under the bars for added security Boston Based & Family Owned: Best Marine takes great pride in its exceptional customer service and dedication to upholding the quality and integrity of its products.]