Markal Lumber Crayon #500 (144 per case)

Markal Lumber Crayon #500 - NO LONGER AVAILABLE Markal Lumber Crayon 500 Standard Colors: White Yellow Red Black Orange Blue Green Purple  Packed 144 crayons per case Markal Lumber Crayon #500 with a clay-based formula that provides longer marking mileage. The Markal Lumber Crayon #500 is known is construction trades as "keel" or layout chalk. Markal Lumber Crayon #500 is suitable for marking in hot climates. The bold, bright marks are weather- and UV-resistant. Marking range: -20°F to 150°F (-29°C to 66°C)