Irwin Strait-Line Permanent Marking Chalk - 4 lbs

Great for extreme outdoor conditions because it can withstand harsh weather conditions and months of jobsite wear. Flip-cap keeps the chalk in the bottle where you want it and stops it from spilling out in areas that you don't. Flip-top cap also seals the chalk in an airtight chamber, keeping out moisture and reducing the risk of clumping

• Hi-Flow Nozzle Cap: For improved chalk flow, quicker chalk fills, and less clumping
• Withstands months of weather and jobsite wear and tear
• Reduces need for additional sealant