YXZQ Surfboard Fin Boxes - 5° & 9° Tri Fin Tail Plugs for All Surfboards | Surfing Gear Upgrade

☀Fully match with surfboard fins of the same model

☀This profile provides a constant curve to prevent the straight-line shear that the glass fiber is susceptible to.

☀We also added a high-density foam base under the stopper to significantly improve impact resistance and breaking strength

☀High-quality materials provide a solid foundation so the stopper will not rotate or sink into the foam

☀If you encounter some problems during the purchase process, you can contact us at any time, we will reply you within 24 hours