20pcs Solid 925 Sterling Silver Open Jump Rings Split Ring for Key Chains Jewelry Making Findings Accessories

Material: Solid 925 Sterling Silver

Specification:

Diameter 3mm            Thickness 0.55mm

Diameter 4 mm            Thickness 0.7 mm

Diameter 5 mm            Thickness 0.7 mm

Diameter 6 mm            Thickness 0.8 mm

Diameter 7 mm            Thickness 0.9 mm