Irwin STRAIT-LINE 2-1/2 Lb. Black Permanent Chalk Line Chalk
STRAIT-LINE chalk for reel type chalkline boxes. Packaged in plastic squeeze bottles with fast fill spout. For exterior use on a variety of surfaces including wood, drywall, concrete, stone, and metal. Permanent colors produce long-lasting lines that won't fade. Visible after weeks of weather exposure and jobsite wear.