evo.com | Dakine Board Leashes > You can't stop sharks from lurking in the deep blue, but you can stop your surf board from running away with the Dakine Kainui 7' Leash. Made with durable neoprene and stainless steel swivels, it's easy to get out of the water and back on board when you see that foreboding fin on the horizon. 1.5" (40mm) Detachable Railsaver 5/16" (8mm) Highest Quality Urethane Dura-Cord for Maximum Strength Opti-Flex Leash Ends for Maximum Durability 100% Marine Grade Stainless Steel Swivels 7' x 5/16" ( 2.13m x 8mm ) | Dakine Kainui 7' Leash 2026 - 7 in Black | Neoprene