Here is a thread on the standupzone:
www.standupzone.com/forum/index.php?topic=36933.0 Tail wings -
"These brands have the same bolt pattern (30mm center to center):
Unifoil, SPG, gofoil, F-one, takuma, F4, mfc, nsp.
These have the same (35mm center to center):
Axis, NP, and Naish.
Cloud9 is 45mm.
Moses is like 28mm?"