<ul><li>Sets the standard for lumber crayons.</li><li>Extruded lumber crayons last up to 10 times longer than ordinary molded wax crayons.</li><li>Fade-proof, water-proof and smear-proof.</li><li>Works on wet (green) or dry lumber, metal or concrete</li></ul><br><br>Extruded lumber crayons last up to 10 times longer than ordinary molded wax crayons. Fade-proof, water-proof, smear-proof. Won\'t melt in direct sunlight. Will work on wet (green) lumber or dry wood, metal, concrete and most other surfaces. Hex shaped 4-1/2\" x 1/2\" to fit lumber crayon holders.

3 Pack Dixon 49400 Industrial Lumber Crayon - Carbon Black - 12 per Package