Q: Will this work on all metals?
Q: I have a ring with a flat bottom will this tool work with my ring?
Q: Can you use this to stretch a perfectly round gold band ring with no diamonds or settings?
Q: Will this work on gold plated silver rings?
Q: What size will it go up to? 9? 10?
Q: Do you any video to explain how it works.so that it will help us?.thanks