Keson (103BLACK) Prochalk Semi-Permanent Marking Chalk, 3 lb, Black
Features:
- ProChalk Semi-Permanent chalk for weather- and water-resistant lines that hit and stick for a long time but will eventually wear away naturally.
- Exterior applications include concrete layout, roofing, metal fabrication
- Size: 3 lb
- Application: Produces Strong, Sharp Temporary Color Line
- For Use With: Chalk Line Reels
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Product Information
Shipping & Returns
Shipping & Returns

Keson (103BLACK) Prochalk Semi-Permanent Marking Chalk, 3 lb, Black
Keson (103BLACK) Prochalk Semi-Permanent Marking Chalk, 3 lb, Black
Features:
- ProChalk Semi-Permanent chalk for weather- and water-resistant lines that hit and stick for a long time but will eventually wear away naturally.
- Exterior applications include concrete layout, roofing, metal fabrication
- Size: 3 lb
- Application: Produces Strong, Sharp Temporary Color Line
- For Use With: Chalk Line Reels
Ā
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Features:
- ProChalk Semi-Permanent chalk for weather- and water-resistant lines that hit and stick for a long time but will eventually wear away naturally.
- Exterior applications include concrete layout, roofing, metal fabrication
- Size: 3 lb
- Application: Produces Strong, Sharp Temporary Color Line
- For Use With: Chalk Line Reels
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