Material Crafted from wearresistant and sturdy plastic, these surfboard fin boxes are designed for longterm use, durability and reliability. Performance and reliability Built to withstand water pressure, these fin boxes work as ideal replacements or reliable surfing accessories, providing dependable performance and stability in the water. Size and compatibility Length: 43 cm / 93 in Standard slot: 15.75 in Compatible with a variety of surfboards, thanks to the standard slot size and general design. Ease of use Lightweight construction makes the fin boxes easy to handle and remove, improving convenience and quick serviceability. Use scenarios Replacing worn or damaged fin boxes on older boards to restore reliability and performance. Upgrading to improve stability and tracking on challenging or bigger waves. Travel and storage: lightweight and easy to remove for compact packing and safe transport. Notes Maintains a professional, clear, and trustworthy tone with a focus on function, compatibility, size, material and performance.