This self inking numberer has 6 changeable rubber bands that measure 4mm high. Each band has numbers from 0 to 9 with extra characters included for example : No - $ - # - % - kg and a few more. 

Metal Numberer Self Inking with 8 Bands.
This self inking numberer has 8 changeable rubber bands that measure 5mm high. Each band has numbers from 0 to 9 with extra characters included for example : No - $ - # - % - kg and a few more. 

Metal Numberer Self Inking with 10 Bands.
This self inking numberer has 10 changeable rubber bands that measure 5mm high. Each band has numbers from 0 to 9 with extra characters included for example : No - $ - # - % - kg and a few more which can easily be adjusted by rotating the wheels.