Fin box Type??

General Discussion
1

I bought a John Carter surfboard that needs a lot of TLC and the big problem I am having is finding the right fin to fit in the fin box so I don’t have to change them. The fin box is like a double cross on each end and slanted in towards the front of the board pictures attached. Need help thanks!

Thanks

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2

OAM box. ON A,Mission. Same as the traction pads and such.

3

Very few boards were made with that system. Even with a bunch of pros backing it. It was a quick flash. We installed maybe 10 boards total with it ourselves.