Cord thickness 7mmWave size 2-8 feetSmooth rotating nylon cuff and rail saver :: Unisex > Surf Accessories. Performs to the highest standard in a wide range of conditionsInterchangeable smooth rotating nylon cuff and swivel assemblyDurable polyurethane cord provides the ultimate in strength. stretch and elasticityLength: 8ft 0Machine stainless steel swivelsExtra strong Rip & Grip Velcro at cuff and rail saverWave Size: 2 - 8ftCord Thickness: 7mm Size: 8FT 0.