Our premier lumber crayons work on more than just wood. They are formulated to work well on lumber, metal, concrete and most other surfaces, wet or dry. These crayons are resistant to the elements and maintain their vibrant color longer than other similar products. Their melting point is 185 degrees, so they can stand up to just about any industrial setting. These crayons are 4-1/2" long and 1/2" in diameter and are molded in a hexagonal shape to maintain stability on uneven surfaces. Sold by the Dozen (12) crayons.
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