Approximately 8mm TierraCast® silver plated twist spacer beads. 2.3mm thick. Large hole. From the EuroBeads Collection. Antiqued silver plate is a thin surface layer of silver that has been darkened to provide a "distressed" (oxidized) appearance. These beads are perfect for custom charm bracelets, and are compatible with major name brands of create-your-own jewelry and a wide variety of stringing materials.