Viarco large red woodcutter's chalk 107 guarantees markings with maximum visibility and adhesion on rough surfaces and construction materials. Manufactured by Viarco with intense red pigmentation, this large chalk creates clear lines on dry or damp wood, brick, and metal surfaces. Its thick structure offers great mechanical resistance to daily wear and tear in workshop or construction site environments. The red color stands out perfectly on light surfaces, ensuring excellent guidance for sawing or drilling. An essential tool for woodworking and construction professionals.