METRICA STEATITE CHALKS Ø 5 mm 50 Pcs in a Box

 Pocket cylindrical chalks
Heat resistant
To write on iron and metal

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 Here is the rewritten description of the product in English:

These handy products are pocket-sized cylindrical chalks that work great for writing on both conventional surfaces and iron and metal items. The chalks are made to withstand heat, ensuring that they can be used on these challenging materials without any damage. The precise measurements of the product are 3.5 inches in diameter and 3 inches in length, making it an ideal tool for use on any surface. Not only do these chalks leave clean and crisp lines but can also be useful for various applications due to their heat resistance.