Brass Rhinestone Beads, Grade "A", Mixed Color, Rondelle, Nickel Free, Silver Color. Size: about 10mm in diameter, 4mm thick; hole: 2mm. A wonderful selection on every beads. Colors can include green, red, blue, golden yellow, purple and more. Popular for Jewelry accessory like necklace, bracelet and so on. Rhinestones are grade "B". And get this 100 pcs Brass Rhinestone Spacer Beads For $5.43 @PandaHall.