• 9" HIGH QUALITY plastic Click Fins fin, uses the patented Kumano System : "Kumano Ai"
• NO FIN SCREW ! just push into your fin box and go hit the waves, holds in place well
• ADJUST ANYTIME, move the fin in your box anytime to trim your performance (this model is the HARD Nylon-Fiberglass plastic fin, very little flex)
• STACK MANY BOARDS easier; store or transport more without the fin installed!
• ONE FIN THREE KUMANO Ai parts are included, to suit a wide range of US fin boxes, please choose the fin model to suit your board (some models are for regular boards: longboards and SUP, some models for iSUP : inflatable paddleboards using the Air7 US box foam surfboards etc) contact us if you have questions