• MATERIAL: Made of high-quality and durable glass fiber, durable and safe, providing good support in flat water strokes and turning.
• INCLUDE: Thruster Fin Set = 3 Fins(left, right, & center fin) & 1 Key & 1 Fin bag & 6 screws
• BASE: 4.44" (113MM) DEPTH: 5.31" (135MM)
• FEATURE: The fins produced by the glass fiber skin have higher rigidity and better flexibility than ordinary plastic fins. Suitable for many different surfboards, not limited to shortboards, longboards, kayaks or stand-up paddleboards, so you can enjoy surfing activities well.
• EASY TO INSTALL: No need to use any professional tools, easy and fast to use.