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Irwin® Strait-Line® 64908 Permanent Marking Chalk, Black, 8 oz Capacity, Squeeze Bottle Package

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Features

  • For use on a variety of surfaces including wood, drywall, concrete, stone and metal
  • The flip-top cap seals the chalk in an airtight chamber, keeping out moisture and reducing the risk of clumping
  • Micro-fine for more marking power
  • Powder form
  • Permanent colors, especially black and red, produce long lasting lines that won't fade
  • Weather resistant lines remain visible after weeks of weather, sun and jobsite wear and tear
  • The cap allows for quicker chalk fills and less clumping when using higher-density permanent staining chalks
  • Proprietary formulations for dark, sharp lines and reliable performance
  • Calcium carbonate, black iron oxide, silica-crystalline quartz compositions
  • 3.3 - 3.35 Relative density
  • Produces color line that remains visible for weeks
  • Up to 2 months permanence
  • 8.5 - 9.5 pH
  • Exterior use
  • Irwin® Strait-Line® introduces its new Hi-flow nozzle cap for improved chalk flow on permanent staining chalks

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Description

Irwin® Strait-Line®, 64908, Marking Chalk, Permanent, Black, 8 oz Capacity, Squeeze Bottle Package Type, Odor/Scent: Odorless