The Infills are used to fill the gap between the front of the FCS II plug slot and dual tab fins.
The Infills are made from highly durable siclone rubber, that are corrosive resistant and will not damge the fins or plugs.
How to Insert FCS II Infills:
1. Choose the correct silcone infil (on the bottom of the infil it will say Side for the side or rail plug or Centre for the centre or rear plug
2. Insert the front of the Infil (the side with the semi circle cut out) into the front of the box
3. Insert your fins
4. Screw the grub screws in
5 Go surfing