... Stable functions 4 High efficiency 5 Long life Table-top Ultrasonic CleanerIt is made of stainless material, good surface,stable functions ... , it mainly be used in laboratory, shop as well as small batch workfrom factory, to clean Jewelry ornament, watchs, glasses, glass ... -199YesYesTH-500BQ530×300×380500×300×15022.54050080010-801-199YesYes TH250BQ Ultrasonic Cleaner