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Irwin Strait-Line Glo-Orange Chalk 5 lb

Brand: Irwin Mfg#: 65105
Product#: 173105OR
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IRWIN® STRAIT-LINE® marking chalks have a newly engineered flip-top cap that keeps the chalk in the bottle where you want it and stops it from spilling out in areas that you don’t. The flip-top cap, available on all IRWIN STRAITLINE chalk bottles, seals the chalk in an airtight chamber keeping out moisture and reducing the risk of clumping


  • Ideal for low light conditions and on dark surfaces
  • Use to show layout changes and corrections


  • Brand: Irwin
  • Product Line: Strait-Line
  • Appearance: Powder
  • Applicable Materials: Wood, Drywall, Concrete, Stone and Metal
  • Composition: Calcium Carbonate, Silica
  • Container Size: 5 lb
  • Color: Fluorescent Orange
  • Use With: Self Chalking Line Reels
  • Odor: Odorless
  • Container Type: Jug