Irwin® 4935526 Strait-Line® Permanent Staining Marking Chalk, Midnight Black, 4 lb Capacity, Bottle Package

Irwin® Strait-Line® Marking Chalk, Permanent Staining, Midnight Black, 4 lb Capacity, Bottle Package Type, Odorless Odor/Scent.

Features

• Visible after weeks of weather exposure and jobsite wear
• Reduces need for spray sealant
• Stains surfaces