Durable and reliable: these surfboard fin boxes are made from sturdy plastic for longlasting wearresistance and the ability to withstand water pressure, providing dependable performance in a range of conditions. Easy installation: designed for simple, tool setup. follow the included instructions to secure them onto your board without the need for extra tools or accessories. size and fit: measuring at 43cm/93 inches in length with a standard 15.75in slot, this fin box size suits most boards, offering a proper fit and consistent performance. Lightweight and portable: crafted from lightweight materials to ease handling and transport, adding minimal weight to your board while maintaining maneuverability and wave performance. Use scenarios Upgrade or fin boxes on your main board or spare board to maintain reliable fin performance in changing conditions. Ideal for rental fleets or coach boards, enabling quick swaps to accommodate different riders or fin configurations. Travelready setup for competition or multiboard trips, allowing easy installation and removal without adding bulk or extra gear. Specifications and features at a glance Material: sturdy plastic Durability: wearresistant and waterpressure ready Installation: easy, tool Length: 43cm/93 inches Fin slot: standard 15.75in Weight: lightweight for easy handling and transport