Keson ProChalk Semi-Permanent Waterproof Marking Chalk, Red Color, 5-Pound Jug

Keson ProChalk semi-permanent waterproof marking chalk creates weather- and water-resistant lines that hit-and-stick, but will eventually wear away naturally. Exterior applications include exterior layout, concrete layout, roofing and metal fabrication.

• Up to five strikes per line
• Sold in 5-pound jugs