Surfers, this UPSURF fin box set has everything you need for installing or replacing fins on your board! The set includes three single tab fin boxes - two side boxes that are 3/4 inch deep and 7mm wide, plus a center box that's 1/2 inch deep and 7.2mm wide. All boxes measure 114mm in length with a total assembly length of 151.4mm. The package comes complete with the installation key and three screws, so you have everything required for the job. UPSURF has been in the surf industry for over a decade, and their experience really shows in the quality of these components. The precision engineering means everything fits together perfectly, creating a secure connection that can handle the forces of carving waves. Installation is straightforward if you're comfortable working on your board - just make sure you have the right adhesive for your board's material. These are compatible with Future fin systems, making them perfect for repairs, custom board builds, or upgrading older setups. The durability is impressive - they withstand saltwater exposure and the constant pressure of surfing without cracking or loosening. Whether you're a shaper working on new boards or a surfer maintaining your quiver, having spare fin boxes on hand is always smart. The quality is comparable to much more expensive options, making this set excellent value for serious surfers. Definitely a must-have in your surf repair kit for keeping your boards performing their best season after season!