Features: Dual Anchor Swivels-Marine grade, stainless anti-corrosive free-spin swivels for tangle-free surfing. Original Detachable Railsaver-The original railsaver system was designed by O&E, with a sewn-in anchor cord. Protects rails and is easily detached. New Formula Controlled-Stretch Urethane-The larger the wave, the more stretch which keeps your board at a safe distance away. Premium-grade quality urethane developed by the world's leading manufacturer. Flex Neck Strap Plug-Allows 360º movement of the leash and offers more comfort when the leash is under load. Deluxe Ankle Strap-Double padded comfort strap. Lightweight, secure fit. Safety Release Pull Tab-Easy to see the ‘safety red’ quick release pull tab. essential when surfing big waves and reefs. Plug Buddy-Another O&E first. Ensures leash string can be easily slipped through surfboard plug. Diamond-Flex Mould-advanced mould design with flex diamonds. Provides controlled flex and strong transition from mould to urethane. Specifications: Wave Size:  SUP 3ft (1.0m) Wave Size:  LBoard 6ft (1.8m) Cord Dia. :  1⁄3" (8mm) Strap :        50mm Padded Swivel :       Double