• This key is compatible with Futures Fins series fin system and is used to fix the fins to the surfboard.
• Key length: 63mm, metal length 31mm, screw length; 14mm, diameter is about 4.5mm, imperial screw: 3/16-24*14.
• The screws are made of stainless steel, with excellent corrosion resistance and anti-wear performance, designed for use in harsh environments such as seawater, extending the service life of the fins.
• You can easily install or remove the surf fins, the screws are compact and easy to carry, no additional tools are required, saving time.
• Package: Contains 2x fin keys, 20x Grub Screws, providing ample fixing options for the fins, suitable for long-term use or multiple maintenance.