5x1.5mm TierraCast® silver plated beaded spacer beads. Antiqued silver plate is a thin surface layer of silver that has been darkened to provide a "distressed" (oxidized) appearance. TierraCast uses "Britannia" casting alloy for cast pewter findings. These will fit normal bead cord and head and eye pins, but not heavier cord such as leather, hemp or waxed cord. TierraCast Safety Compliance Info.