Jewelry Monster -Set of 4- Assorted Safety Clips Lock + 4 Rubber Stoppers Charm Beads Quantity: 4 Safety Clips + 4 Rubber Stoppers Material: Base Metal + Silicone Rubber Size: 10mm Height x 7mm Wide x 3.2mm Diameter Clip-on Core (avg) Fits Most Major Brands Such As Pandora, Biagi, Chamillia, Zable, Kay Charmed Memories and Troll Chains