Special Plunger numbering head,Specification: 1):Frame size is 18x36mm; 2):3 digits; 3):4mm height font; 4):With drop zeros or not; 5) Forward for backward; 6) with locked bar function; Best quality with numbering machine and well service for numbering machine We accept the special design, and small quantity order. Any requirement or advice, please contact with us freely by email / fax / telephone, we are pleased to reply you soonest.