FCS Surfboard Leashes - FCS Comp Black Leash - 6ft 0 :: Unisex > Surf Accessories. Durable polyurethane cord provides the ultimate in strength. stretch and elasticityWave Size: 0 - 4ftLength: 6ft 0Machine stainless steel swivelsExtra strong Rip & Grip Velcro at cuff and rail saverIdeal for smaller conditions by minimising dragInterchangeable smooth rotating nylon cuff and swivel assemblyCord Thickness: 5.5mm Size: one size.