Check the listing for details. PERFORMANCE CORE surfboard THRUSTER FINS yellow (set x 3) hexcore FCS compatible. Condition: New. Listed at 36.43 USD. HEXCOMB FIBREGLASS PERFORMANCE CORE FINS FLURO YELLOW colour You are purchasing a set of 3 thruster fins that are FCS compatible. They are available in sizes 3, 5, 7 or 9 while stock lasts. Please indicate which size you require by choosing from the drop-down menu. size 3 is approx 110mm high, 105mm wide at base. size 5 is approx 115mm high, 110mm wide at base. size 7 is approx 120mm high, 113mm wide at base.size 9 is approx 130mm high, 115mm wide at base. Fibreglass fins with a superlight hexcomb foam core. The hexcomb foam construction delivers a fibreglass fin that is ultralight, with a flex pattern that provides speed & control. The fins have a matt finish, ensuring a smooth, fast surface. Size 3 - 50-70kg Size 5 - 70 - 85kg Size 7 - 85+ kgsize 9 - 95+ kg Other colours & styles are listed on my ebay store. For purchase of multiple items, we are happy to calculate the combined postage & handling costs. Please contact us for a quote.