Irwin 64901 Strait-Line 8-oz Standard Marking Chalk - Blue

• 8-oz Chalk Line Refill

• Blue Standard Marking Chalk

• Interior or exterior use

• Marks are temporary

• Provides great visibility

Chalk Refill, 8 ounces of blue chalk refill for all reel type chalk line boxes, packaged in a plastic squeeze bottle with fast-fill spout, and snap cap to prevent spilling and moisture in chalk. Chalk containers are filled by weight not volume.