The infamous fin box wobble is something we have worked very hard to eliminate here at Macho Fins - and successfully so. 

The bases of our fins are precisely finished every single time to a precision of 0.05mm - meaning that in a standard, unaltered fin box, there will be exactly 0 wobble.  If anything, the fin will be tight in the box rather than loose.

We can assure you that if you do find that there is a slight wobble with our fins, this will be due to a sub-standard fin box (or its sub-standard insertion in the board), not the fin itself.

Fin Base Check


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