• Left/Right Fin is for front of Thruster or Quad
• Center Fin is for Thruster only
• Quad Trailer Fin is for rear of Quad
• Made of fiber-filled plastic for perfect mix of stiffness, flex and response
• Only compatible with Catch Surf's Hi-Perf Fin System. Each kit contains one (1) fin, Catch Surf fin key and a Catch Surf sticker