The MARKAL 80232 Aluminum Marking Crayons (PK12) are designed for high-performance marking on various surfaces. These crayons feature a durable aluminum core that provides a consistent and bold mark, ideal for metal, wood, and other materials. Each crayon is formulated to withstand extreme temperatures and is resistant to water and oil, ensuring your markings remain visible in tough conditions. With a size that fits comfortably in hand, these crayons are perfect for professionals in construction, manufacturing, and metalworking. The pack includes 12 crayons, making it a cost-effective solution for all your marking needs.