Joel Fitz Volan Fin 6.75Wild Things Gallery Joel Fitz Single Fin 6. 75" Volan. Joel Fitzgerald's 6. 75" fin runs with the '70s influenced height and base proven over decades of surfing. This fin is designed explicitly for classic style single fin surfboards and is ideally combined with the short, upright JF1 sidebites. This fin setup will provide single fin glide with extra versatility to tackle a wide variety of point break and beach break conditions. Ideal for surfing