- 5lb Bulk: High-capacity bottle for professional crews and large-scale sites. Permanent Black: Formulated for long-lasting marks that resist fading. Weatherproof: Designed to withstand rain, wind, and heavy jobsite traffic.
Irwin 2032160 5lb Black Permanent Marking Chalk – High-Contrast Weather Resistant Refill
Irwin Tools
Irwin 2032160 5lb Black Permanent Marking Chalk
Lines that last. Contrast that pops. The Irwin 2032160 Black Permanent Chalk is engineered for environments where standard chalk fails. Designed for...