5.5 mm thick cord; 6ft in length; Suitable for 0-4ft waves; Interchangeable strap; Smooth rotating nylon cuff and rail saver swivel assembly; Machine stainless steel swivels; Key pocket; Quick release pull tag; FCS branding; All FCS leashes are designed to offer superior comfort, functionality and dramatically increased strength. Each leash feature innovative design elements and the highest quality materials available. The extensive research and development program at FCS involved rigorous testing to ensure each leash delivers outstanding performance. :: Unisex > Surf Accessories Size: one size.