These are concentrated marking products. Lines snapped with ProChalk Semi-Permanent, Permanent, and Ultimate Dye grades may be visible as long as one year after striking. The colors also may bleed through light-colored paint.
These are concentrated marking products. Lines snapped with ProChalk Semi-Permanent, Permanent, and Ultimate Dye grades may be visible as long as one year after striking. The colors also may bleed through light-colored paint.