1. It is best that can pressing press date, batch no. And expiry term etc on the carton, board. 2. Zinc alloy letters is anti-grind, precision printing words, it can press concave words to use. 3. It is suitable for medicine, foodstuff, cosmetics and hardware etc carton batch no. Or printing words.Model K-420 Printed material size L100-350xW40-80xH1x 4mm Speed Below 1-160sheets/min (depends on printed material to set) Printing words rows 5rows Words size T model, R model: 2mm , 2.5m , 3mm Printing position precision ± 1mm Machine weight 80kgs Power 220V 100V 100W Main machine size L1150xW660xH 530mm
