• NO TOOL REQUIRED: Hand Tighten Against Rubber O-Ring Means No Tools Ever Needed.
• UNIVERSAL FIT: Fits All Standard, FCS, Futures Surfboard Fin Boxes For Longboard, SUP, Single Fin.
• RUST PROOF: 316 Stainless Steel Will Not Rust In Fresh or Salt water.
• EASY INSTALL: Surf and Skate Warehouse Thumb Screws are Easy to Install in Seconds for the quick fin switch out. You will never struggle to replace, remove, or switch out your fins. it' perfect for travel and or your daily surf sessions. fits most and or all fins.