These dazzling Rhinestone Rondelles are made of high quality brass metal coated with gold, silver, gunmetal, antique copper, antique brass. They are encrusted around the edge with premium Czech machine cut crystal that sparkles with a fiery shimmer. Rondelles are a beautiful choice for spacers to add that extra sparkle. They are also great in earrings and are essential components for a variety of lovely designs. They work great for both modern and classic designs. See also our line of popular Glass Rondelles which are a less expensive alternative for spacers.