"IRWIN Tools STRAIT-LINE 65207 Permanent Marking Chalk, 2.5-pound, Black 65207"

Marking chalk marks are temporary. Provides greater visibility in standard lighting conditions. Durable formula is weather-resistant and suitable for interior or exterior use. Use to show layout changes and corrections on metal, concrete, lumber, plastic, cardboard and other surfaces. IRWIN Tools STRAIT-LINE 65207 Permanent Marking Chalk, 2.5-pound, Black 65207 The 65207 Strait-Line 2.5lb Jet Black Chalk is what you need to help get things Strait. The Strait-Line 2.5lb jet black chalk is great for outdoor use, carpentry, bricklaying, masonary, roofing,carpet installation,floor and wall tiling, painting, decorating and many other uses. The jet black is used in places where you need a bright permanent line that will withstand the elements of the outdoors. For more than 30 years, Strait-Line products have represented the standard for excellence and performance in marking tools.

Marking chalk marks are temporary. Provides greater visibility in standard lighting conditions. Durable formula is weather-resistant and suitable for interior or exterior use. Use to show layout changes and corrections on metal, concrete, lumber, plastic, cardboard and other surfaces.