... Description VGT-2020QT ultrasonic cleaning tools specificationsModelVGT-2120QTFeatures :Mechanical timer and heaterTime setting:0-20 ... , mixes, the replacement uniform, withdraws.ultrasonic cleaning tools department: Industry and mining enterprise, universities, collegesand ... cleaner for everywhere.Clean things: Electronic products, mechanical hardware fitting,eyeglasses, jewelry, clock and watch, ...