Strong Leash for large waves. A new generation of reliability made for serious surf conditions. The REEF leashes have an 8mm cord covering you from a REEF 6 in heavy slabbing waves with shortboard up to a REEF 9 for deep water conditions when a slightly longer board is needed. FEATURES: Patented DNA Flex Mould connection - LONGER + STRONGER  Patented Non-Slip Cuff  Surefire Leash Release Moulded Velcro® Dual Stainless Steel Bearing Swivel - SS316 2 Year Warranty Responsible Packaging - Plastic Free   SPECS: Leash Length: 6' (1.8m) Cord Thickness: 5/16" (8mm) Cuff Width: 2 1/2" (62mm) Railsaver Width: 1 1/2" (38mm)