Lumber Crayons

Also known as layout chalk or "keel". Standard 1/2" hex. Shape fits the #109 Peterson holder. Lead-free. Weather-resistant, fade-resistant marks. Economical. Use on cardboard, ceramics, concrete, lumber, metal, paper, plastic, and rubber. Unit packaging: 12 of one color to a box. Size: 1/2" X 4-5/8". Marking range: -50°F to 150°F (-46°C to 66°C).