The YU fin set is Futures smallest quad fin. An upright template with a medium base and thin tip was designed for pivoty in the pocket surfing. This V2 quad was created to improve flow and generating speed.  

Future YU Quad Details:

Front Fins:

Height:     4.51    in,        11.46    cm
Base:       4.04    in,        10.26    cm
Area:      13.48    sq in,    86.97    sq cm       

Quad Trailers:

Height:     3.76    in,        9.55    cm
Base:       3.23    in,        8.20    cm
Area:      8.72    sq in,    56.26    sq cm