IRWIN
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IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR), Pack of 1
IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR), Pack of 1
IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR), Pack of 1
IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR), Pack of 1
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IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR), Pack of 1
IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR), Pack of 1
IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR), Pack of 1
IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR), Pack of 1
IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR), Pack of 1
8 ounces of fluorescent orange chalk refill for all reel type chalk line boxes.
IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR), Pack of 1
Item #: 242857790

IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR), Pack of 1

Item #: 242857790

AUD 27

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Order now and get it around Wednesday, September 02
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8 ounces of fluorescent orange chalk refill for all reel type chalk line boxes.
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Product Details

Shop for IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk at Ubuy Australia. Choose from a variety of colors and sizes. Fast delivery and great deals!
  • Use To Show Layout Changes And Corrections On Metal, Concrete, Lumber, Plastic, Cardboard And Other Surfaces.
  • Durable Formula Is Weather-Resistant And Suitable For Exterior Use.
  • High-Visibility Chalk Is Ideal For Low Light Conditions And On Dark Surfaces.
  • Product Type : Tools
Writing Instrument FormChalk
Ink ColorFluorescent
Drill PointStraight
Additional FeaturesRefillable
Line Size0.5mm
Hand OrientationAmbidextrous
Grip TypeSnap
Water Resistance LevelWater Resistant
Writing Techniquechalk
Closure TypeSnap
ColorFluorescent Orange
ThemeConstruction
StyleOrange
Body ShapeRound
PatternSolid
Material TypeBlend
Ink BaseWater
Brand NameIRWIN
Age Range DescriptionAdult
Model Name64905
Recommended Uses For ProductHome
Included ComponentsIRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR)
Model Number64905ZR
UPC024721649058
Global Trade Identification Number00024721649058
ManufacturerIrwin Industrial
Item Type NameIRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR)
Unit Count1 Count
Item Dimensions3.3 x 7.8 x 6.5 inches (8.4 x 19.8 x 16.5 cm)
Item Weight8.8 ounces (249.48 grams)
BrandIRWIN
Age Range (Description)Adult

What's in the box

IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk, 8-ounce, Orange (64905ZR)

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the primary use of the IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk?

    Answer: The IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk is primarily used for marking lines on various surfaces, especially in construction or landscaping projects. This bright orange chalk ensures that your lines are visible against different backgrounds, making it ideal for outdoor work or any scenario where precision is key. Professionals often use it for layout work when needing to mark ground areas before digging or leveling.
  • Question: How do I use the marking chalk effectively?

    Answer: To use the IRWIN Tools marking chalk, simply fill a chalk line reel with the chalk powder, then pull the string taut and snap it to create a long, straight line of chalk. Ensure that the work area is dry for better adherence. It's particularly useful in applications like roofing, landscape design, and masonry where clear line guidance is essential. Practicing good technique helps improve accuracy and visibility.
  • Question: Is the chalk safe for indoor use?

    Answer: Yes, the IRWIN marking chalk is safe for indoor use. While it is designed for external visibility, it can also be used in workshops or indoor construction areas. However, it’s essential to ventilate the area properly when using any chalk to avoid inhaling excessive dust. Many users utilize it indoors for projects like drywall installation, ensuring lines are precise for cutting or placement.
  • Question: What surfaces can I use this chalk on?

    Answer: The IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk can be used on a variety of surfaces, including soil, grass, concrete, and asphalt. Its versatility makes it suitable for diverse tasks from outdoor layout marking to detailed construction work. For instance, landscapers often use it to design flower beds and pathways, while contractors mark foundations and layouts on construction sites.
  • Question: How does high-visibility chalk differ from regular chalk?

    Answer: High-visibility chalk, like that from IRWIN Tools, is designed to stand out against various surfaces due to its bright color. This ensures that marks remain clear, even in bright sunlight or against patterned backgrounds. Regular chalk may fade or blend in, making it harder to see. Therefore, this high-visibility variant is preferred by professionals who need to ensure every line is unmistakable.
  • Question: Can this chalk be used for art projects?

    Answer: While the primary purpose of the IRWIN Tools marking chalk is for construction and professional projects, it can also be creatively used for art projects, especially outdoors. Artists can use the vibrant chalk lines in street art or sidewalk designs where visibility is crucial. Its bold color can enhance artistic expressions, particularly in festival settings or community events.
  • Question: How much chalk comes with the purchase?

    Answer: The IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk comes in an 8-ounce container. This size provides ample chalk for multiple projects, allowing users to mark extensive areas without needing frequent replacements. Contractors and DIY enthusiasts appreciate the generous amount, which is particularly beneficial for large installations or outdoor layouts where lots of marking is required.
  • Question: Can this chalk be removed easily after use?

    Answer: Yes, the chalk is designed to be easily removed after use. It can typically be washed away with water or worn away over time, especially if exposed to rain or foot traffic. This feature is particularly valuable for temporary markings used in construction or landscaping, allowing for flexibility without leaving permanent marks.
  • Question: How do the chalk and the chalk line reel work together?

    Answer: The IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk is specifically designed to be used with a chalk line reel. The chalk is distributed through the reel's dispenser, allowing for quick and efficient line marking. When the chalk line is stretched and snapped, it leaves a straight, bold line of chalk, a technique often utilized by builders and landscapers for clear guidance.
  • Question: Where can I buy IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk in Australia?

    Answer: You can conveniently purchase the IRWIN Tools STRAIT-LINE High-Visibility Marking Chalk at Ubuy in Australia. They offer a reliable platform for acquiring this product, ensuring you have access to quality tools for your marking needs, whether for professional construction projects or DIY tasks.

IRWIN Chalk Lines 64905ZR Editorial Review

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“Promt delivery. Seems like a good product.”

22 July 2026 · via Trustpilot
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“It was the best service ever received by any company from my online shopping experience in the last 10yrs”

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“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”

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“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”

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AUD 27

Order now and get it around Wednesday, September 02

QTY:

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Features & Benefits

  • Fluorescent orange chalk for high visibility.
  • 8-ounce capacity in a convenient squeeze bottle.
  • Fast-fill spout and snap cap design to prevent spills.
  • Durable, weather-resistant formula for exterior use.
  • Ideal for layout changes on various surfaces.
  • Manufactured by Irwin tools, known for quality.

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