Two lead fins have 4.25” height, 4” base, two “Nibster" trailing fins are double foiled with 1.62” height, 3.81” base.

Optional: May also be set up as a tri-fin, using one of the dual-foiled "Nibster" rear fins in the center box.

Lib Tech RIPPS fins are designed to fit LIB FOCII boxes only!

Includes 2 x 4.25", and 2 x 1.62"

Compatibility: FOC II