The 3" centre fin is perfect for shallow water when there is possibility of contact.
Hard Flex construction. Includes center screw.
Compatible with Earth River SUP (Skylake BLUE / GT / V-II / V3) / HALA (except Atcha / Rado / Radito) Red Paddle Co / Starboard and most other SUP boards with a standard US fin box.
Not suitable for NRS boards.