Boaters,
I made some extra 12 and 21 propellers up for the last few
races that I went to, and I forgot that I had them still. I can
cup them to whatever you would like, or send you a set of them
with progressive cups on them. Example: 3.21", 3.33", 3.46", 3.60", or 3.75"
this way you can go...