Need help identifying fin box

Can someone tell me who made these fin boxes?



Looks like RED X

Thanks, I’ll look into it.

It is a Powerdrive system. Red X Fins/Blocksurf helped me with this. If anyone else out there needs this info. Here it is.

hi, yes it looks like powerdrive , have a read here ,

http://community.magicseaweed.com/viewtopic.php?f=13&t=44089&p=442658#p442658

 

pete

it is a fins Unlimited box from the mid 70’s, it was discontinued afer a short run, the top openings are right where your knee hits when duck diving, they all had the glass driven down around them and leaked

Lot of strange answers;  Jim is right.

I remember them. Jim is right.