Ken Moiarty wrote:

In looking for suitable lumber to cut these wedges out of, I assumed
it should be hardwood (as opposed to softwood), for strength,
durability, etc.

Not a real good criteria...

Basically, "hardwood" refers to a deciduous tree, "softwood" refers to
an evergreen tree. Balsa is a hardwood tree but the wood is soft.
Southern yellow pine is a softwood tree but the wood is hard.

--
dadiOH
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