Cord thickness 7mmWave size 2-8 feetSmooth rotating nylon cuff and rail saver :: Unisex > Surf Accessories. Machine stainless steel swivelsInterchangeable smooth rotating nylon cuff and swivel assemblyCord Thickness: 7mmLength: 7ft 0Performs to the highest standard in a wide range of conditionsWave Size: 2 - 8ftExtra strong Rip & Grip Velcro at cuff and rail saverDurable polyurethane cord provides the ultimate in strength. stretch and elasticity Size: one size.