For protection against the strength of big waves. The protect series leashes have all the bells & whistles of the essential series - with added strength. Free shipping Performance Size Features Wave size: 10-12 ft+. Stainless Steel Eject Pin with Hypalon loop to quickly detach cuff. Super-thick 9mm Neoprene with Silicon print for comfort and a secure fit. Triple-wrap moulded velcro cuff with Hypalon reinforcement for security. Extended overmould reduces tangles. Triple-wrap reinforced 38mm Railsaver with high break strength. Super-strong rivet-secured 9mm Stainless Steel Swivels. Wave Size Recommended Wave Size: 10 - 12 ft+