Frogger - Carbon Fiber Stiffener Inserts gives divers the option to get a more powerful kick. Increases resistance on the uppward (Flutter recovery stroke) bend cycle. Turn your TAC fins into a frogging monster.
Bi-Directional - Stiffer than Omni by 40% adds 30% more rigidiy to the overall fin
Omni- Direction - Adds 15% more Rigidity to the overall fin.
Price for full set of fins (4 stiffeners)