These petite 2.5mm crystal beads have a .6mm hole with a rounded edge to reduce wear on your stringing material. These crystal glass beads are perfect for dash of color in a necklace design or bracelet project Swarovski's brand of Austrian crystal is famed for its precision shape and brilliant color. These rich blue Sapphire Bicone Beads feature precision cut facets and reflect brilliant sparkle. Use these petite 2.5mm beads as dash of color in a necklace design or bracelet project. Adding these Swarovski Bicone Beads to your next jewelry project creates an unmistakable sign of authenticity and elegance.