I was just recently taking a stone setting course and after seating
the stone we use a ? (my question) to put over the setting and tap
to secure the stone. Was it just a concave punch? I wanted to get a
set but didn’t know what to even search for on the site.
Nomenclature! Jeez, you would think when I typed "whatchamacallit"
in the seach engine it would have come up.
Tube setting - an introduction to setting