SALE Limited stock available! 4.5-inch center fin. Perfect for combining with side fins, allowing you to easily enjoy a thruster setup. It's also useful to have one for various conditions. The material is fiberglass, the same as that used by major manufacturers. Experience the unique flex of VOLAN cloth. Although it's a no-brand product, it's well-made. The surface sanding is very cool, making it a recommended fin. If it's difficult to insert into the fin box, please adjust it by sanding, etc. ◎The included soft case is slightly deteriorated; please consider it as a bonus. ◎The color may differ slightly from the actual product due to the camera's resolution; please understand. I am also listing other items. ◎Size Height: Approximately 116mm Base: Approximately 113mm This fin uses the Smart Entry System, also adopted by major manufacturers. Sanding is applied to one side of the metal pin area of the center fin to facilitate entry into the fin box; please understand. ◎Although unused, there may be slight scratches or color unevenness due to the manufacturing process or storage. This is a great deal for those who don't mind. #Trifin #TwinStab #CenterStabilizer