... Stickpin.2. Glasses,Sun glasses,Watchband,Waterproof watch, Household hardware,Seal,Pen-head,Printer-head.3. Disk( ... dishware, feeding bottle and nipple, Ancient coin,Valve,Machine nozzle,etc Specially designed for CD, VCD and DVD ... advancement Tightened lid design for effective noise reduction Ultrasonic Cleaner Specification Ultrasonic Frequency 42,000 HzTank MaterialStainless Steel SUS304Tank ...