Indigo Blue Permanent Chalk Refill (4 lb Bottle)

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Introducing the Irwin STRAIT-LINE Marking Chalk Refill, your go-to solution for precise and durable markings. This refill features Indigo Blue permanent chalk, perfect for a variet y of marking applications. With a generous 4 lb bottle, you have an ample supply for your projects.What sets Irwin STRAIT-LINE apart is the innovative flip-top cap design, engineered to keep chalk precisely where you need it while preventing spills and mess. The flip-top cap seals the chalk in an air-tight chamber, guarding against moisture and clumping, ensuring consistent performance every time.Whether you're marking construction sites, landscaping projects, or any other application requiring clear and long-lasting markings, Irwin STRAIT-LINE Marking Chalk Refill delivers exceptional results. Trust Irwin for reliability, precision, and innovation in marking solutions. Show more