Reiner Numbering Machines are designed to quickly print consecutive numbers on the documents. All the standard units feature a 6 digit number and other models feature up to 16 digits. Based on the model, the numbers automatically run up to 5 digits. It enables to print from 000001 up to 099999 consecutively or enables to choose another repetition of the numbers, e.g. duplicate, triplicate etc. The machines are also custom designed with choice of wheel combination with print wheels printing letters or special characters. The available text plates can be engraved to requirements.