... quality, watch parts, fine jewelry bearings, medical equipment, electronic PCB boards. BEST-800 Ultrasonic Dimension (MM): (H * W ... design, PCBA moisture treatment. Professional departments: Laboratories, electronic shop, optical shop, jewelry shops, watch shop, ... no special cleaning solution, you can just tap water), electronic products, glasses, necklaces, earrings, bracelets, watches, dentures, ...