Heart " Best Mom" Charm Spacer Bead for European Snake Chain Charm Bracelet Quantity: 1 Fits: All major Brand Bracelets, such as Pandora, Troll, Chamilia, Carlo Biagi, Zable, and other add-a-bead bracelets. Material: Zinc Metal Alloy Size: Hole of the charms is 5.1mm slide on core (not threaded) Heart Best Mom Charm Spacer Bead for European Snake Chain Charm Bracelet