To fill the gap between the front tab of the original (dual tab) FCS fin and the front of the FCS II plug front slot.
FCS V2 Performance Core Tri-Quad Fins - Medium
$145.00
Firewire Moe 7'2" Blue Surfboard, FCSII
$1,060.00
Avid Florida Native AVIDry UPF 50+ Long Sleeve Sun Shirt
$44.99
Nomadix Tie Dye Black and White Go-Anywhere Multi-Purpose Towel
$39.95
FCS Kolohe Andino Traction Pad - Fade
$45.00
FCS Cam Lock Soft Racks Double
$46.98