I'm still trying to figure out what the hell I could "Damage" with a ring in a tool and die shop, myself.
WIERD, post, this one.
Oh, and for the OP,....If you're not being asked to don clean cotton gloves, it's NOT a "100% gun"
Gold rings will scratch D2 all to pieces. They tear up carbide even worse.
I'll remember that,
....might make up a 24 karat scraper for putting that final edge on reamers and drill bits.
GTC
Member, Clan of the Border Rats -- “Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it.”- Mark Twain