This is the one that did the 50.48 knot run at West Kirby. The Asymmetric design and narrow chord gives this fin its high speed characteristics. This is a full custom built fin with over 50 sheets of carbon giving it both light weight and extremely stiff properties. The 17cm is finished in a painted format and is hand wet sanded and polished. The results speak for themselves, this is an exceptional fin with a World record beating speed and really is the ''Fastest Fin in the World''.