Red-hot surface marking crayon writes on billets, coils, bars, slabs, ingots and other hot metal surfaces
Lasts longer, up to 6X the writing life of competitive hot chalk
Durable marks will not run, char, flow, discolor, peel or crack
Fast-drying marks are not damaged during handling or when immersed in cold water baths
Real paint for long-lasting, highly visible marks
Available in two sizes: standard 3/8" (9.5 mm) and king 3/4" (19 mm)
Marking range: 400°F to 1600°F (204°C to 871°C)
