• PACIFIC VIBRATIONS - 6" Performance - 2 1(FUTURES) The 6.0 Performance Fin is designed to match the latest movement in progressive longboarding and SUP surfing. The 6 Box Fin and 4.52" side fins have an upright template and less rake in the tip. This allows for quick and pivotal surfing with minimal drag. Overall the 6" Performance Box Thruster outline provides a responsive feel ride with plenty of drive and control. An excellent all-round template.. Side Fins: Base: 4.4" (113mm) Depth: