FCS II Matt Biolos PC Carbon Thruster Surfboard Fins - Large OVERVIEW Matt \'Mayhem\' Biolos\'s signature template delivers a lively combination of drive, hold and manoeuvrability. This versatile fin will feel reliable out on the open face or tight in the pocket. IDEAL CONDITIONS A wide range of conditions, particularly good in critical overhead waves. BOARD TYPES Performance shortboards and hybrid models with the FCS II Fin System. Please Note: this fin is designed to be used exclusively with the FCS II Fin System, and will not fit in the traditional FCS Dual Plug System. FIN MATERIAL LARGE: PERFORMANCE CORE CARBON FIN SIZE LARGE (75 - 90Kg / 165 - 200 Lbs) FIN SPECS: LARGE - Blue/Black Base: 4.41\" / 112mmDepth: 4.74\" / 120mmArea: 15.26\"² / 9847mm²Sweep: 32.9ºFoil: Flat