Features: These antitarnish stopper beads with silicone inserts securely hold multiple chains, prevent tangling, and maintain their lustrous finish for long lasting jewelry designs. Each thick brass bead features a smooth seamless surfaces, precisions drilled hole, and internal rubber grip for stable positioning in jewelry projects. Ideal for jewelry artisans, craft enthusiasts, and creators seeking professional grade components to elevating handmade necklaces, bracelets, or layer chain accessories. Perfect for securing stacked pendants, organizing beaded charm bracelets, or adding polished to customized earrings and statement jewelry pieces. Versatile double tone options and professional polishing make these stopper beads excellent for creating gift ready handmade accessories or keepsakes. Specifications: Material: Copper Size: 5mm/3mm Color: Gold/White Package Includes: 20x Earring Backs note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.