Irwin Strait-Line 6 oz Black Marking Chalk, Extreme Conditions - Perma – Hardwick & Sons

STRAIT-LINE chalk for reel type chalk line boxes. Packaged in plastic squeeze bottles with fast fill spout. For interior or exterior use on a variety of surfaces including wood, drywall, concrete, stone, and metal. Marks are temporary. Provides great visibility.

Irwin Strait-Line Dust-off Marking Chalk, Light Voilet - 6 oz bottle

The School helper, 1978 - 1987 - Digital Library of Georgia

Irwin Permanent Staining Marking Chalk 6 Oz - Farmersville, OH

Irwin Strait-Line 6 oz Black Marking Chalk, Extreme Conditions

Irwin Strait-Line 6 oz Black Marking Chalk, Extreme Conditions

Irwin STRAIT-LINE 6 Oz. Midnight Black Permanent Staining Marking

STRAIT-LINE chalk for reel type chalk line boxes. Packaged in plastic squeeze bottles with fast fill spout. For interior or exterior use on a variety of surfaces including wood, drywall, concrete, stone, and metal. Marks are temporary. Provides great visibility.

Irwin Strait-Line Dust-off Marking Chalk, Light Voilet - 6 oz bottle

Irwin Permanent Staining Marking Chalk 6 Oz - Farmersville, OH

Marking chalk is ideal for exterior use Visible after weeks of weather exposure and jobsite wear Marking chalk is ideal for exterior use Visible after

IRWIN Tools 2032160 Strait-Line Permanent Marking Chalk

IRWIN Tools STRAIT-LINE Standard Marking Chalk, 5-pound