The Malone Stax (TM) Pro2 Two Kayak Rack is your transportation solution for carrying 2 kayaks from place to place. Constructed with aluminum octagon posts, this is one of the strongest folding stackers on the market. This sturdy design features a fold-down design and new foam stacker blocks that cradles your kayak for safe transport. Kit includes 4 blocks, straps, tie-downs, and all the hardware. FEATURES: Strongest and most stable folding stacker available in the market with aluminum octagon shaped posts Great economical option to transport multiple kayaks StaxPro2 comes with 4 foam stacker blocks to hold 2 boats in place during loading and tie down and cushion from the cross bar during transport Individual strap slots for two kayak transport Folds down for better aerodynamics and low clearance when not in use Universal fit JAWZ (TM) mounting hardware works with round, square and most factory oval cross bars Can assemble or transfer to another vehicle in minutes with no tools required Totally rust resistant for years of service 12' cam style H.D. polypropylene load straps 12' Bow & Stern safety tie-downs Dimensions: 5'' x 5'' x 20'' Manufacturer's lifetime warranty For additional information relating to the Manufacturer's Warranty, please contact 1-800-295-0042.