The machine USES 3/16 "high gothic standard number word, word: 4.85 mm, 2.7 mm wide, thickness: 0.43 mm, spacing: 3.83 mm. 7 a total length of 25.4 mm.Full steel is qualitative, numbering machine have horizontal and vertical type two kinds, with (or without) reset spring backward or forward carry way.Applicable to various types of NP series rotary offset printing machine and printer paper form.This product can according to user requirements, the machine has long service life, into the reset flexible, low rate of wrong number, etc.The machine for the printing of the number of the reading direction vertical or flat in the feeding direction of printing.Font font height and digits and spacing can be customized according to customer's request.