Pica Classic Pro Lumber and Industrial Crayon, Yellow is a premium quality, permanent marking crayon designed for versatile use on wet or dry wood, metal, stone, concrete, and plastic surfaces. It delivers rich color application thanks to its high pigmentation, ensuring clear and lasting marks. This crayon features high breaking resistance for durability during heavy use and is paper wrapped to keep your fingers clean. Each crayon measures 12 mm in diameter and 120 mm in length, making it easy to handle and i for industrial or lumber marking needs. Model Number: 590/44