Very Impressive research and Data!Hey Derek, welcome to the forum. Nice strikers.
As you can see here: http://www.hobbithouseinc.com/personal/woodpics/bulletwood.htm I've had several planks over the years and I was sure I had some left but can't seem to find it anywhere. I'll keep poking around.
I actually found some today my Dad had already cut into striker blanks. Actually some of the strikers I have start with .75" thickness although most are 1 inch. The thickness should be fine. I could still be interested in some to keep in stock. I probably need to get all my Dad's stock transferred to my storage container so I can quantify what I have first. Got most of the blanks transferred and organized, now I'm working on the wood planks.@Fowlup, HA ... I found it. I'm getting senile. I forgot that I have it under massaranduba. Here's what I have. Looks like none of them are thick enough unless you laminate.
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Although now that I poke around the internet I don't understand why you are having trouble finding any.