Suitable for 1-3 boards on most cars, vans, and 4WDs without roof racks Heavy-duty 32mm webbing used for 2 straps Each strap measures 400cm in length Durable die-cast metal buckles with numbered instructions The FCS D-Ring tie down system is the most robust and dependable way to secure your boards. With no moving parts, there's no risk of mechanical failure. Ideal for the dedicated surfer and adventurer.