Fin Box Blank Insert

Incorporating the same patented technology as the FCS II Fin System, FCS II ​longboard fins can be secured into a fin box without the need for a screw and plate

The basic principle is identical to the slot box: The fins are inserted into the boxes and fixed in place with angled screws that engage in a

fin slot a free riding fin for use on your big wave board or best suited to your freewave board

finn slot O'FISH'L Snap In Fin Box $ Add to cart · O'FISH'L Compression Fin Box O'FISH'L Original Compression Fin Box $ Add to cart