These sorting trays are convenient for sorting beads, pearls, stones, findings, and more. They feature grooves to assist stringing along with round indentations for size sorting. Please contact us with any questions. Please visit our store for other great jewelry tooling items such as; Hand Stamps, Disc Cutters, Polishing Compound, Buffers, Hammers, Tweezers, Mandrels, Anvils, Vises and more! Note: Remember to wear eye protection. Note: Photographs are for illustration purpose only. Actual item may slightly differ from the pictures shown.