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Professional-grade white marking chalk designed for use in chalk line reels for layout, marking, and reference lines on construction, concrete, and carpentry projects. Manufactured by KESON with ProChalk Standard formula in convenient 5-pound container for high-volume commercial and residential applications. This fine-powdered white chalk creates clear, visible lines on concrete, wood, drywall, and other surfaces while the generous size reduces frequent refills during large-scale projects.
ProChalk High Visibility which include our Glo-Orange and Glo-Lime formulations for highly visible applications that will wear or wash away naturally in a few days. Exterior applications include corrections, plumbing, electrical, roofing, masonry.
