... 20 to 80 The features of specification:(ultrasonic jewelry cleaner,apply to clean any small parts) ... groove size150*95*52mm The function of ultrasonic jewelry cleaner,apply to clean any small parts Ultrasonic ... , badges, valves, machine nozzles,2.Silverware. bronze ware, antiques, Jewelry, rings, diamond, bracelets,watches3.eyeglasses, sunglasses, optical lenses, ...