FCS II Pyzel Quad Rear Fin SetJon Pyzel's "JP" shaper fin quad rear set . Designed as an All Round template, the JP is defined by its Lock, Load and Explode characteristics. Template Category Neutral (all around versatile) Construction Honeycomb w Carbon Ride Number Balanced 6. 2 Suggested Wave Type All types All conditions Pair these Quad Rears with a set of FCS II Thruster Fins to make a Quad or 5 Fin Set!