Master surfboard craftsman Jeff McCalllum designed the McCallum Quad. This is a medium sized fin built for speed. All four fins are the same size and have a flat inside foil generating maximum drive down the line. Great for your retro fishes and wide squash tail boards.

Front
Height:4.125
Base: 3.75 
Area: 12.38 
Foil: Flat

Rear
Height:4.125
Base: 3.75 
Area: 12.38 
Foil: Flat