5 lb. Yellow Hi-Visibility Marking Chalk

Product Overview

The IRWIN® STRAIT-LINE® chalk range has a wide range of permanencies and colors. Whether working indoors or out, on finished surfaces or in extreme conditions, IRWIN® STRAIT-LINE® has the ideal chalk for every job. Dust-off chalk is temporary chalk that can be used to mark interior walls and trim and then be wiped away cleanly. Permanent staining chalk is great for extreme outdoor conditions because it can withstand harsh weather conditions and months of jobsite wear.

Additional Features



  • Lifetime Limited Warranty

We’re confident of the quality of our products, and we’ll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.


We take extensive measures to ensure all our products are made to the very highest standards but on the rare occasion that you need our help & support, we've got you covered. Just get in touch.