Beyond BL template fibreglass side bite set to fit FCS & Futures boxes.
FCS Glass Flex Side Fins
Single Fin 6'5 + Side Bites - KSF
BPS 2-Piece Side Bites Fins - Glass Flex Surf Fin Set (FCS GL Style) - Side- Bites for 2+1 Setup Longboard, Surfboard, or SUP - Comes with Waxcomb (Classic Black) : Amazon.ca: Sports & Outdoors
FCS II Connect Side Bites - Small – Surf the Greats