FCS II Matt Biolis Pure Glass Split Keel - Black captain-fin Balances congested skin and controls

Balances congested skin and controls natural oil production

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FCS II Matt Biolis Pure Glass Split Keel - Black captain-fin Balances congested skin and controlsFCS II MATT BIOLOS SPLIT KEEL QUAD FINS Matt 'Mayhem' Biolos's 'MB' PG shaper fin. High area specialty quad set adds bite and control. Upright keel template designed for traditional fish shapes. Overview Matt 'Mayhem' Biolos's specialty quad fin set. High area quad keel set adds bite and control to hybrid boards with wide tails, without sacrificing pivoting capabilities. Board Types Designed to fit the FCS II Fin System. Recommended for all board