Container of 6 litre for dry tumbling (polishing), work cycle 2 ÷ 3 h. Very fine polishing granulates made from walnut shell provides gentle removal in the micro range. ECO-Maxi achieves: - Very smooth surfaces - Brilliant shine, comparable to manual polishing, without damaging set diamonds, zirconia or pearls.If you are interested in buying this container, you also need this machine H469203 Eco-Maxi Basic Unit