We offer three (3) different Fin Screw lengths based on the design conditions related to the inst...
We offer three (3) different Fin Screw lengths based on the design conditions related to the installation and potential repair of a boat's Fin Box. Older wooden finboxes could have resin backfill from installation that limits the number of available threads, requiring a shorter screw. Current black finboxes use full 1" screws. If you are unsure which length to use, please contact us for help. Warning: Use of the incorrect length could lead to damage to your boat.
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