I have machined some weigts that were beautiful material, but on
average most is pretty darn crappy junk........porosity or quality of
the metal is not of concern for a mere weight.........and its probably
not the most suitable material to use for a face plate IMHO. some
weights are almost impossible to get a decent cut on with lots of hard
spots others are so porous they are like a sponge..

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Put some color in your cheeks...garden naked!
"The original frugal ponder"
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