... parts, semiconductor chip, optical glass, parts of watches , glasses, jewelry..HJ-1030P Immersible Ultrasonic Cleaner4. Features:The immersible ultrasonic cleaner is ... /40KHz28KHz/40KHzVibration Board Size (mm)300*190*100360*275*100420*320*100510*390*100520*420*100tainless steel basket(optional ...