Experts in Stone Tumblers and Rock Tumblers used for tumbling and polishing rough rock, stones and pebbles, including those found on the beach, and glass! Our high quality British Made lapidary machines give a professional finish to your samples. The tumblers can be used with a variety of grits, most commonly Silicon Carbide Grit and Zinc Oxide. All our stone tumblers come with a one year guarantee, with full customer support. We sell complete stone tumbling kits for beginners.