Dixon Industrial Lumber Crayons, 1/2 in X 4 1/2 in, Blue (464-52100)

Sets the standard for lumber crayons. These extruded lumber crayons last up to 10 times longer than ordinary molded wax crayons. They're fade-proof, water-proof and smear-proof. Won’t melt in direct sunlight and works on wet (green) or dry lumber, metal or concrete. Each crayon is individually UPC coded. Hexagonal shape fits lumber crayon holders. Color(s): Blue; Crayon Size: 4 1/2" x 1/2"; Size Group: Large; Temp. Range: 0°F to 140°F.