This high quality Josco chalk is semi-permanent and suitable for marking steel, stone and masonry. It’s available in 5mm or 10mm sticks.
- Makes a wax like mark
- Water resistant
- Suitable for industrial use
Josco engineer’s chalk – quick reference
|JECHALK1005||80 x 10 x 5mm||100|
|JECHALK1010||80 x 10 x 10mm||50|
There is a broader range of chalk and crayons available here.