Package Included: 4pcs 5mm sterling silver jump rings with different sizes, which can be used in keychains, making it easy to easily hold keys or other items with holes. Well Made: 925 sterling silver, strong enough, sweat and water resistant, no fading, no rusting, hypoallergenic. Size: Outer diameter: 5mm/0.2inch; Inner diameter: 3.8mm/0.15inch. Easy to Use: These silver split rings have enough tension, enable them to quickly move items in and out, and can be easily restored to their original shape. Wide Usages: These mini key rings can be used as jewelry findings to link pendants, necklaces, bracelets, earrings, anklets and DIY jewelry or crafts, etc. HINZIC 4 Pcs 925 Sterling Silver Split Jump Ring 5mm Small Key Rings Bracelet Necklace Open Connector Charm for Jewelry Findings Key Rings Excellent After Service Our shop values customer shopping experience and provides you with high-quality after service.