Brand New 【 BMT TWIN KEEL 】 BMT fins designed by Britt Merrick, CEO and Lead Shaper of Channel Islands Surfboards. The Channel Islands Surfboards TWIN PIN twin pin model features a beautiful pin tail outline and a bottom design with a gradual rolling V towards the tail. The BMT FIN, developed by Britt Merrick for the TWIN PIN model, combines drive and maneuverability due to its sharp tip design and slightly angled rake, providing high hold. Although designed for the TWIN PIN MODEL, its well-balanced and beautiful outline will provide a high response on any TWIN FIN board. 【Size】 Base width / approx. 137mm, Height / approx. 147mm 【Material】 FIBER GLASS - Fiberglass