1Free "NO TOOL" Fin Screw: Easy to install and use, it only takes you two minutes to manually screw on, no tools at all
2RUST PROOF: 316 Stainless Steel Will Not Rust In Fresh or Salt water.
3COMPATIBLE WITH 99% OF BOARDS:Fits All Surfboard Fin Boxes For Longboard, SUP,Single Fin,PaddleboardA rubber O-ring to eliminate loosening while surfing.
4NOT COMPATIBLE WITH - Starboard & Naish Paddleboards owners report these are too short for those boards
5,ABOUT US,trive to maintain fairness and honesty with all customers,and will make your satisfaction our top priority,including providing a 30-day return and exchange policy. If you have any question during shopping,welcome to contact us,we will try our best to solve the problem