Number Charms to Choose From 0-9 and Numbers 16,18,21,30,40, and 50 Silver Tone Numbers Dangle Charm for Snake Chain Bracelets One:One Dangle Charm Material: Zinc Metal Alloy, Silver Plated Base Size Hole is 4.5 mm slide on Cores(not threaded) Dangle letter Charm #5 Fits and compatible with Pandora, Biagi, Chamilia, Zable, charmed memories and Troll Chains