Thule 809 Double Decker Surfboard Carrier Exclusive, telescoping design delivers a custom fit for boards with widths up to 26-inches wide Heavy-duty, steel reinforced webbing and spring loaded locking cam provide unsurpassed security for your boards Dual loading design allows for transport of two boards with maximum stability New Speed-Link mounting system for convenient, tool-free mounting to Thule rack systems, round bars and most factory racks 4 One-Key locks (included) - two for the locking strap assembly and two for the Speed-Link mounts