IRWIN Chalk Orange Hi-Vis 8 oz #2 Permanence

The Strait-Line chalk is made from a proprietary formulation to leave dark, sharp lines. It is ideal for use on a variety of surfaces including wood and drywall. It provides more visible line marks.
High-visibility chalk for self-chalking line reels
Comes in the color fluorescent orange
Built-in scribe notches
8 oz. by weight – not volume.