Keson® 105B ProChalk® Standard Marking Chalk, Blue, 5 lb

Keson® ProChalk® Standard Marking Chalk, Blue, 5 lb Marking Chalk, Standard, Blue, 5 lb Capacity, Odorless Odor/Scent, 85 to 90% Calcium Carbonate/10 to 15% Ultra Marine Blue/0.1 to 1 Silica.

Features

• Pro
• Chalk® standard for your basic chalk line needs that are easier to clean-up or let wear away naturally
• For interior or exterior use