As the name suggest it, the pocket knife is a perfect utilitarian fin for your single fin or 2+1 board.
The base gives stability while the overall template let your surfing get pretty loose, and dynamic. It also allow you to go vertically .
This fin can be adapted to a variety of shapes from 6 to mid 7 foot.

Specs:

• Base - 158.5 mm

• Height - 190.5mm (7,5”in)

• Flexibility - Stiff