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 Standard Marking Chalk, 5-pound, Fluorescent Green (65106)
The 65106 Strait-Line 5lb Fluorescent Green Chalk is what you need to help get things Strait. The Strait-Line 2.5lb blue chalk is great for outdoor use, carpentry, bricklaying, masonary, roofing,carpet installation,floor and wall tiling, painting, decorating and many other uses. Fluorescent green is a permanent color that you would use if you need for greater visability on dark surfaces. For more than 30 years, Strait-Line products have represented the standard for excellence and performance in marking tools.