SURFCO PROTECK PERFORMANCE 9" FIN sup locks Hardened steel shackle coated in

Hardened steel shackle coated in soft plastic

The upper section has a thinner and more flexible round profile

Why "Double Coil"

Just choose the correct mounting adapter for your boat

Machined end easily passes through small openings

SURFCO PROTECK PERFORMANCE 9" FIN sup locks Hardened steel shackle coated inPerformance Fins have a rigid core that creates good drive and projection off bottom turns and cutbacks. The combination of the flexible edges and rigid core will help to make your board ride smoother, faster, and easier to turn. This will allow you to surf better, reduce fin injuries, and add more fun to the sport of surfing! Note: Super Flex Fins are recommended for beginners to professional surfers.