TheStax Pro2is the combination of intelligent design, excellent workmanship, superior strength and affordable pricing. This two boat transport system delivers a safe and secure trip to the water and back and assures a great paddling experience. Features a fold-down frame design for low clearance and foam blocks to protect the kayaks from cross bar abrasion. Comes with all required straps, mounting hardware and safety lines to safely transport two kayaks. Features: Open gate head design easily and securely captures load straps Universal fit mounting hardware 50mm and 60mm mounting bolts 11′ Cam style load straps and 10′ safety tie-downs Fold-down design for low clearance needs Foam stacker blocks to protect the kayaks Octagonal aluminum post construction Corrosion resistant molded components Made in the USA Lifetime Limited Warranty 5\