The Ronix 1.8" Floating Nub Fin is the perfect outer fin accent piece to a stronger edge hold center fin. Fin-S 2.0 Mounting SystemThe Fin-S 2.0 System is a proven and simple tool-less fin attachment. It uses Spring Lock Technology with an intuitive 2-stage engagement and removal. Riding StyleThe rhythm guitarist of surf fins, the 1.8" Nub Fin may not have the stage presence of the more raked Blueprint, quicker turning Pivot, or faster Flo Thru Fins, but they add stability in your aquatic navigation. ConstructionA carbon epoxy layup creates the stiffest, most responsive construction. Floating FinThis epoxy fin floats and comes standard on most Ronix high-end boards. More than just a tracking device with swimming skills this asymmetrical cupped outer fin tracks harder, cleaner, and initiates turns easier. ApplicationAny surfer using a Fin-S fin box system. Size1.8" symmetrical. | Ronix Floating Nub Fin-S 1.8" Fin - Blue | The House