- Available in sizes of characters from 1.5 up to 6 mm
- The wheels are usually engraved with numbers “0-9”
- Automatic change of numbers (max. 6 digits in one switch)
- Made of steel and nickel plated
- For manual or mechanical use
- In two types:
- With a tempered impact handle for manual use
- With a shank for use in a press
- Suitable for marking of all kinds of metals, many kinds of plastics, hard wood, etc