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.
Sprint Fin (Fits all 8s and 4s)
Ships with one each of the three fin screw lengths. In order to avoid damaging your fin box, pl...
Ships with one each of the three fin screw lengths. In order to avoid damaging your fin box, please take care to use the correct length when installing your fin. If you have any questions, please contact us!
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