These Size 9 18ga 21x1mm round rings are solid .925 sterling silver.
Outer diameter: 21mm
Inner diameter: 19mm
Wire diameter: 1mm
US / Canada Ring Size: 9
UK / Australia Ring Size: R 3/4
Stack these smooth sterling silver rings as finger or knuckle rings, or use them as large closed jump rings for chain mail or wire-wrapping projects.
