Irwin Strait-Line 8oz Red Permanent Marking Chalk Refill

Get enduring marks with the Irwin 8oz Red Permanent Marking Chalk Refill. Perfect for exterior use, this chalk remains visible even after weeks of weather exposure and job site wear. The Strait-Line's newly engineered flip-top cap ensures no spillage and seals the chalk in an airtight chamber, keeping moisture out and reducing clumping.

FEATURES:

• Flip nozzle cap keeps chalk in bottle in an airtight chamber keeping out moisture and limiting clumping
• Weather-resistant lines remain visible after weeks of various weather and wear and tear
• Provides greater visibility in standard lighting conditions
• Designed for concrete layout, roofing, and more exterior applications

INCLUDES:

• 64902 Strait-Line 8oz Red Permanent Marking Chalk Refill