1 Stainless Steel: Made of 316 stainless steel, strong and stable, not easy to break, deform or fade, will not rust in both freshness and salt water. 2 M4x19mm: M4x19mm surfboard rudder special screws for many types of surfboards, such as longboards, single boards, single fins, paddle boards, etc. 3 10Pcs in 1 Set: There are 10pcs fin box screw in the set, which will meet your needs for maintenance and fixing. 4 Simple Installation: Fin box screws do not need tools to install, they can be easily fixed manually, very strong, not easy to loosen, and have high reliability. 5 Easy to Carry: Compact size, easy to store, won't take too much space and easy to carry, you can put them in your bag.Item Type: Stainless Steel Fin Screw
Material:Stainless Steel 316
Thread specification: M4x19(Thread Length)mm / 0.75in
Product Size: 34 x 14 x 14mm / 1.3 x 0.55 x 0.55in
Use: Suitable for All Standard Longboards, Surfboards, Veneer, Paddleboards Fin Box.

What's in the box
10 x
Stainless Steel Fin Screw