No Tool Stainless Steel Fin Screw for Longboard and SUP.

- NO TOOL REQUIRED: Hand tighten against rubber O-ring

- RUST PROOF: 316 stainless steel will not rust in fresh or salt water.

- COMPATIBLE WITH 99% OF BOARDS: Fits all standard surfboard fin boxes for longboard, SUP, single fin, paddleboard

- NOT COMPATIBLE WITH: Starboard & Naish paddleboards - owners report these are too short for those boards.