No finkey with these, hence the price reduction

FCS II Tab Infill Kit - 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 II Tab Infill Kit Features:

• Centre Compatibly Infill (x1)
• Side Compatibility Infills (x4)

Grub Screws (x10)

• Reusable zip lock bag

FCS II Compatibility Infills are designed to fill the gap between the front tab of the original FCS fin and the front of the FCSII plug front slot.

These infills are made from high quality silicone rubber which will not damage the plugs or fins.

• They are also extremely durable, light and built to withstand extreme temperature and corrosive con