Markal K Paintstik® Marker - Marks Red-Hot Steel 1400 deg F - 2200 deg F-Available in white
* Marks on extremely hot steel
* Marks will not run, char, discolor, peel or crack.
* Marks iron and steel castings, ingots, forgings, blooms, billets, and high temperature metal alloys.
* Size: 3/4" x 4-5/8"