Multifunction Binding Machine 4 IN 1 International patent design CE,ETL ,SAA Certification Multifunction Binding Machine SUPER4&14 IN 1 International patent designHeavy duty binding machineElectric punching for 30,000 sheets /hourElectric consuming :200W Power :AC110V,60HZ /220V ,50HZInterchangeable punching dies by manaul revolvingPunching up to 30-35sheets each timePunching 2:1 ,3:1,4:1(5:1), ...