Genuine 925 Sterling Silver Ring Clip Size Adjuster Reducer Re-Sizer
2mm - To fit a 0.5mm-1mm ring shank
2.5mm - To fit a 1mm-1.2mm ring shank
3mm - To fit a 1.2mm-1.5mm ring shank
4mm - To fit a 2mm ring shank
5mm - To fit a 2.5mm-3mm ring shank
6mm - To fit a 3.5mm-4mm ring shank
6.5mm - To fit a 4mm-4.5mm ring shank