Basic replacement fin for thurster box. Newest model snaps in use for- SUP,Long boards and boards with thurster box options. Always kept in stock when availble. 
Overview
Neutral, well balanced template.
Versatile, high performance Longboard (LB) fin for all conditions. 
Offers a combination of drive, speed and response for modern longboarding.
Turn and Connect: Seamlessly connect turns and move up and down the board.
Based on the FCS Dolphin Longboard template.
2 + 1 Compatible.