Quality Metal Round Welded O Rings 20mm or 25mm OR OTHERS 

30-200Pcs 3-25mm Stainless Steel Split Ring Open Single Loops Jump Rings Connectors for DIY Jewelry Making Findings Accessories

Brand : St.kunkka
Material: Stainless Steel
Package including: 30-200Pcs/Pack
Fit :Making Materials Handmade DIY Necklace&Bracelet Chain