Upgrade your surfing or paddleboarding experience with this detachable center fin. Designed for longboards, surfboards, and paddleboards, this 4.5-inch single fin offers quick and easy installation. Its sleek black design blends seamlessly with your board, while the durable construction ensures long-lasting performance. Whether you're catching waves or cruising on flat water, this replacement fin provides the stability and control you need. Lightweight yet sturdy, it's the perfect accessory for enhancing your ride.