Tuberculin cutimeter with clock

The analog cutimeter does not require batteries. It works at any temperature and humidity.
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Cutimeter Functions
- Capacity 40 mm
- Accuracy 0.1 mm
- 1 clockwise rotation equals 10 mm.
- Works without battery
- No flu
Cutimeter Maintenance
- Clean the ruler with a dry cotton pad before use.
- Keep the instrument clean and in a dry place.
- Do not use petroleum, acetone or other organic solutions