The NEW Extruded Lumber Crayon from Markal. Pro-Ex is made for heavy-duty applications where a lower quality lumber crayon can't make the grade. * For industrial applications such as lumber, woodworking, construction, concrete, masonry, and metalworking. * Makes a long-lasting economical mark. * Makes a long-lasting economical mark. * Superior writing on wet and rough surfaces. * Sharp point for precise lines * High-density formula for reduced breakage and long writing life. * Available in six highly visible colors. Compare Pro-Ex to the lumber crayon you use now. You will make the choice that Goes The Distance. Sold in Boxes of 12. $8.04, 6/$38.88, 12/$72.00, 24/$138.24Color: 80379 Brown80380 White80381 Yellow80382 Red80383 Black80384 Orange80385 Blue80386 Green80387 Pink80388 Purple Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 588 or Internet Sales.