Hey Rob The chip you see is most likely not a structural issue. the black material is poured into a fin box mold and then the fin body is placed into that mixture. The fin builders do that so they can place different size fin bodies into the same type of fin box. I would think that the sizing on the ...

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Windsurfing
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Boat deliveries down the coast to San Fran etc
Race planning for major races in the north west
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S