Description from Futures.:

The F8 Legacy Series is a large sized fin with a neutral template and balanced feel for all-around performance. The fins come in Thruster, Quad, or 5-FIn configuration. 

• Template Category | Neutral (all-around, balanced)
• Construction | Honeycomb
• Size | Large (180 + lbs)
• Ride Number | Balanced - 6.4

Specifications: 

              Side Fins    Center Fin   Rear Fin

Area      15.90          15.90            10.73
Height   4.64            4.64             3.76
Base      4.47            4.47              3.77
Foil        FLAT           SYMM           SYMM