Block Surf Surfboard Fin Key: The Essential Pocket Tool Never get stuck at the beach with the wrong setup. The Block Surf Fin Key is a mandatory addition to every surfer's gear bag, surf car, or keychain. Precision-engineered to fit standard hex-head fin screws, this tool ensures you can swap your fins or tighten a loose box in seconds before you paddle out. Universal Fit: Designed with a standard 3/32" hex head compatible with most major fin systems (including FCS and future-style boxes) and various surfboard accessories. Ergonomic Grip: Features a textured, easy-to-turn handle that provides enough leverage to secure your fins without over-tightening or stripping the screws. Durable Construction: Built with a hardened steel tip to resist rounding and a rugged plastic body that stands up to salt air and sandy pockets. Loop Hole for Portability: Includes a built-in hole for a leash string or keychain, so you can keep it attached to your bag or car keys and never lose it in the sand. The Ultimate "Save a Session" Tool: Small enough to keep in your pocket, yet important enough to be the difference between a great session and a long drive home.