This quad design concept was pioneered by surfer, shaper, and inventor Bruce McKee.  M5 Sides with M2 Quad Rears. (M5 Front /M2 Quad Rear Center Foil)
The rear fin is designed to compliment the M-5 template in the front and works best in conjunction with McKee's fin placement guide (www.mckeesurf.com).  This versatile quad set can be used on a variety of board templates and offers drive and control while maintaining pivot and response.  It is reliable in powerful conditions and ideal for surfers who love to load up through turns.

Rear fin also available as a side fin. See SKU 1280-166-23-R

Front:
Base: 4.37in.
Depth: 4.55in.
Area: 14.76sq.in.

Centers:
Base: 4.26in.
Depth: 4.22in.
Area: 13.03in.

All FCS fins can be ordered as singles. If you do not find the one you are looking for - email us and we'll get you what you need.