b'Hot surface solid paint markers only begin producing marks when in the stated working temperature. Marks will not run, char, flow, discolor, peel or crack.Heat Stik Fine (225F - 1100F)107C to 593CHot surface marker writes on hot castings, forgings, coils, billets, plates and other hot metal surfacesForgings and parts can be immediately dipped into cold water baths without damaging the marks225F TO 9.5mm 12h 1100F Case Quantity: 144 Surfaces:PART NO. DESCRIPTION81020 White 81023 Black81021 Yellow 81025 Blue81022 Red 81026 GreenHeat Stik(400F - 1600F)204C to 871CRed-hot surface marking crayon writes on billets, coils, bars, slabs, ingots and other hot metal surfacesFast-drying marks are not damaged during handling or when immersed in cold water bathsStandard JUMBOSize Size400 TO 9.5mm 19mm 12h 1600F Case Quantity: 144 Surfaces:PART NO. DESCRIPTION81220 White / Standard 81223 Black / Standard81221 Yellow / Standard 81225 Blue / Standard81222 Red / Standard 81210 White /JUMBOHeat Stik (400F - 1800F)204C to 982CRed-hot surface marking crayon writes on billets, coils, bars, slabs, ingots and other hot metal surfacesFast-drying marks are not damaged during handling or when immersed in cold water bathsStandard JUMBOSize Size400F TO 9.5mm 19mm 12h 1800F Case Quantity: 144 Surfaces:PART NO. DESCRIPTION84720 White / Standard84710 White / JUMBO4 Hot Surface Markers'