DESCRIPTION and FEATURES

The FCS Longboard Box adapter is designed to change from a traditional longboard/single fin to a FCS twin tab fin in seconds. So if you have a surfboard with FCS side fins and a tradtional longboard fin box you'll be able to change to a regular thruster fins set.

Type: Longboard Fin Box Adapter

• 2 in wide
• Convert a single fin box to fit any FCS fin.