Cymbal Varidi SuperDuo Silver Plated Bead Substitute. Cymbal™ is a unique, imaginative, and groundbreaking metal component line that has been designed to fit and integrate with the most popular bead working beads in the market. SUBSTITUTES™ are metal components created in the shape of a specific bead to act as a bead replacement. These Bead Substitutes are to be used with the SuperDuo bead. They can be worked into a project just like the bead itself and will create shine, glitter and pop wherever they are used. Sold 2 pieces per pack.