Irwin STRAIT-LINE 2-1/2 Lb. Black Permanent Chalk Line Chalk Brand_Worthington The large ergonomic handle fits

The large ergonomic handle fits either hand safely and securely

The double wing spurs cut clean holes for feeding wire or bolts through

5/8" arbor

Cuts solids

Built-in atmospheric vacuum breaker protects household water supply from possible contamination

Irwin STRAIT-LINE 2-1/2 Lb. Black Permanent Chalk Line Chalk Brand_Worthington The large ergonomic handle fitsSTRAIT 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.