Irwin 65104 Strait-Line Chalk Refill 5 Lb. White

Irwin 65104 Features

•   High visibility chalk for self chalking line reels
•   For use on a variety of surfaces including wood, drywall, concrete, stone, and metal
•   Permanent colors, especially black and red, produce long lasting lines that won't fade
•   Chalk containers are filled by weight, not volume
•   Temporary colors, especially white and blue, provide high visibility and are easy to remove
•   Proprietary formulations for dark, sharp lines and reliable performance
•   Chalk containers are filled by weight not volume