Indigo Blue Permanent Chalk Refill (4 lb Bottle) REVIEW making it an essential addition

making it an essential addition to your toolkit

UV Resistant

Carabiner and alignment clip facilitate pairing of single-leg SRLs into twin-leg set-up

Please note that cartridges and filters are sold separately

be sure to: Holding the D-Ring

Indigo Blue Permanent Chalk Refill (4 lb Bottle) REVIEW making it an essential additionIntroducing 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 variety 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