Numex Manual Batch Coding are Self-Inking ,Contact Printers designed to code variable information like Batch No.; Manufacturing date; M.R.P. Best before ; Logo; Greetings; Announcements; Schemes etc.on packaging, labels or directly onto products. Simultaneously in one stroke with Indelible Numex Ink. Coders come in self-contained box consisting of Coder,Kit box, 50 ml Sample Ink and base rubber sheet.