Futures Al Knost Twinzer Als fiberglass twinzer set features a full Vector foil on the twin fins paired with canard fins set at 8.0 degrees. Construction – Fiberglass Side Fin Canard Area 17.72 4.69 Height 5.27 2.26 Base 4.48 2.52 Foil V Flat Angle 4.0 8.0 Reviews There are no reviews yet. Be the first to review “Al Knost Twinzer – Clear” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.