Brass Fin Insert:
A Metric thread -brass barrel nut replacement for fin bases.
Inner 6mm metric pitch thread x 9mm outer diameter (5/16") brass insert.
This is the most common size - fin base replacement insert. Fits most modern Cavity style fins from True Ames (TA) and Maui Fin Co (MFC).
SKU | CH886 |
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Manufacturer code | 886 |