... , used as jewelry making tools and equipment . 1. Digital Vacuum Wax Injector Jewellery making tools and equipmentModel : MZ-DWIPower supply ... function 2 Auto-clamp: Model :MZ-DAC Power supply AC 230V,50/60HZ,single phasePower 50VACompressed air range 0.25 ... vacuum, injection wax casting, clamp open etc, all auto finished.Can be any combination of PRESS1,PRESS2,TIMECLAMP,HOLD,FORWARD 3. Vacuum pump