RONIX 4.0in Fin-S 2.0 Tool-Less Fiberglass 1-Pack White Center Surf Fin (219125)

The most simplistic and easy fin system on the surfing market; Suitable for all Ronix wakesurfers with Fin-S fin boxes, where you only have to hook in the fins completely without tools; Center spring loaded fin system allows for tool-less change outs and less pressure added to front and back of fin; Lightweight fiberglass epoxy construction provides added drive and less friction; 3.0-inch Fin Size; Center Fin Position