NVS Album Indy Apex Series Single Tab Twin Fin SetThe NVS Album Indy Twin Fin Set is a well balanced, large twin template, designed for fluid, stylish surfing. These will provide generous amounts of hold on steeper waves while also helping generate speed on smaller softer waves. These twins will compliment any performance twin or hybrid shorties. Fin Size Detail Fins Height Base Area Rake Foil Cant Twin Fins 5. 50" 4. 98" 20. 30" 34. 9 Flat 6. 5