Pro-Line Survey Supply, Inc.

Irwin Blue Powder Chalk-4oz.

Irwin Blue Powder Chalk-4oz.
Irwin Strait-Line Marking Chalk Blue 8oz.


  • Irwin 64901 Chalk Refills. High visibility chalk for self chalking line reels
  • For use on a variety of surfaces including wood, drywall, concrete, stone, and metal
  • Temporary colors, especially white and blue, provide high visibility and are easy to remove
  • Proprietary formulations for dark, sharp lines and reliable performance
  • Additional Information

    Additional Information

    UPC 0-24721-50007-6
    MPN 27230520
    Condition New
    Details Blue Chalk