Indigo Blue Permanent Chalk Refill (4 lb Bottle) REVIEW Tested and approved by 3M

Tested and approved by 3M

cool the affected area and relieve pain

This system features an 11/16" solid-core nylon kernmantle rope with one sewn and thimbled end-termination

Texturized rubber overmold grip for comfortable sanding

Indigo Blue Permanent Chalk Refill (4 lb Bottle) REVIEW Tested and approved by 3MIntroducing 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