The Swarovski Elements Crystal 6mm cube bead is a mid-size cube that brings a subtle contemporary appeal to a piece of jewelry. The beads have approximately 1mm holes that fit up to 20 gauge wire.Use our Swarovski Elements Crystal Color Chart to compare all your favorite crystal colors at a glance. Be sure to visit our Inspiration Page for new jewelry designs with free instructions and learn your beading basics on our Beading Techniques page.