[Exquisite Design] Remind:This model is a buckle model, not a screw model, please read carefully and buy carefully.Please refer to the product detailed description,the text description shall prevail.This product adopts the shark tail fin aesthetic streamline design concept, and presents a streamlined design as a whole, which can increase your speed while maintaining stability while surfing, and will not affect your surfing experience. [High-Quality Material] This product is made of high-quality nylon plastic material, which is not easy to break, and is sturdy and durable, which can better protect the pulp board from damage and improve the service life. [Portable and Easy to Use]Easy to install, it can be installed in 3 seconds, just plug it in. It is simple and convenient to use, and even newcomers can quickly get started. With double insurance, the nylon cord prevents the loss of the buckle, and the buckle is used to prevent the fins from falling off. Small in size, you can take it anywhere. [Features] This product has a good high split water, which can ensure the stability when surfing, and can also adjust the movement speed. Increased stability and directional maneuverability, mainly used to steer the course to reduce drag. Bring you a better water sports experience. [After-Sale Service]Welcome to our store to buy surfboard fins products and support our GOCUODE store. If you are not satisfied with our products, please feel free to contact us. We will try our best to help you, give you a satisfactory solution, and let you feel a satisfactory shopping experience in our store. Welcome to the next purchase!