Description:Fin Screw is universal for SUP, important and necessary accessories for stand up paddle boarding.Fin Screw is made of Stainless Steel material, which is durable for long time use.Wear resistant and not easy to broken.A good replacement for the broken fin screw, easy to intall with no tool.Specification:Material: Stainless SteelColor: Silver ToneThread Size: M4x0.7Gasket Size: 1.3x1.3cm/0.51"x0.51"(L*W)Gasket Hole Diameter: 3.3mm/0.13"Note:Please allow 1-2mm error due to manual measurement.Package Includes:4 x Fin Screws4 x Gaskets.
eBay