DetailssaruSURF 4.6" hard fin for airSUP , river SUP + surfboards Black
almost any board with a US box (center fin)
almost as hard as a fiberglass fin, but much lighter and great value!
can also be used as a center stubbie fin on a multi-fin set up.
Q: is the fin screw included with all of the fins ?
A: if you don't add the fin screw to your order, it will not be included