Description:Adjustable blank finger ring bases settingsFit for 3mm 4mm 5mm 6mm 7mm beadsAccording to your needs, you can adjust the ring sizeExcellent ring components for you to DIY unique finger rings for yourself or your loverMaterial: 925 sterling silver; Color: SilverPackage Includes:1 Adjustable blank circle finger ring basesNote:Please allow slight error due to manual measurementDue to the difference between different monitors, the picture may not reflect the actual color of the item