Watersport board

A watersport board comprising:

• a board body defining a receptacle in a bottom surface;
• a plurality of female fasteners embedded in the bottom surface of the board body, each of the female fasteners having a receiving hole exposed to outside of the board body;
• a baseplate attached to the bottom surface of the board body and defining a first bore in line with the receptacle of the board body and a plurality of second bores in line with the respective receiving holes of the female fasteners;
• a fin adapter having an adapter body and an extension laterally extending from a lower edge of the adapter body, wherein the adapter body passes through the first bore of the baseplate and is engaged in the receptacle of the board body, and the adapter body has a cavity defined in a bottom surface thereof;
• a fin having a base portion received in the cavity of the adapter body of the fin adapter;
• and
• a plurality of male fasteners each having one end connected to the extension of the fin adapter, and the other end passing through the second bore of the baseplate and being engaged in the respective receiving hole of the female fastener so as to secure the fin adapter in the receptacle of the board body;
• wherein each of the female fasteners further has a plurality of locking orifices defined in opposed walls of the receiving hole of the female fastener;
• and each of the male fasteners has a plurality of axially spaced annular barb rings formed on an exterior surface thereof and engaged in the respective locking orifices of the female fastener to inhibit removal of the fin adapter from the female fasteners.