Irwin Strait-Line Permanent Red Marking Chalk, 8 Oz.
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The Strait-Line chalk is made from a proprietary formulation to leave dark, sharp lines. It is ideal for use on a variety of surfaces including wood, metal and concrete. It provides better line quality marks.
- High-visibility chalk for self-chalking line reels
- Exterior use
- Visible after weeks of weather exposure and jobsite wear