Durable Marking for Demanding Jobsites
Keson Hard Lumber Crayons are built tough for professionals working in warmer climates and rugged environments. Perfect for marking on dry or wet wood, paper, cartons, stone, concrete, tiles, and plastic, these crayons deliver bold, consistent marks that hold up under pressure.
With excellent weather and wear resistance, they’re a reliable choice for construction, lumber, and industrial applications.