Wire diameter: .04" or 1mm
Measured ring inner diameter: .190" or 4.85mm
These rings were wound on a 3/16" mandrel. Due to spring back of the wire, the rings come out slightly larger by about 3/1000 of an inch or .0762mm. This is hardly a problem, but still, honesty is key.
If you'd like an unusual inner diameter, I can make anything from 1/8" to 3/8" in 1/64" increments. Special requests are always welcome.
Proud member of the Chainmaillers Team.