Irwin 64908 Strait-Line 8-oz Permanent Marking Chalk - Jet Black

• 8-oz Chalk Line Refill

• Jet Black Permanent Marking Chalk

• Exterior use

• Visible after weeks of weather exposure and jobsite wear



Chalk Refill, 8 ounces of black 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.