2+1 Fin Installation
With board deck side down, insert fin tab into finbox cavity. Slide tab towards front or rear of box to align with fin when placed into box.
Insert center fin by aligning the fins pivot pin with the center of the board's fin box. Rock the fin so that base is completely inside board, then align plate and insert screw.
Insert side fins into cavity until they fit flush with bottom of board. The flat side of the fin should be towards the center.
With board deck side up, insert fin screws into cavity and tighten until snug.