Irwin 4935526 Strait-Line Permanent Marking Chalk, Midnight Black, 4 LB Mounting Each cartridge allows for two

Each cartridge allows for two activations before replacement is needed

4 mm) discharge

Number of Lights: 130 lights

Standard for wood base office furniture

Reshape the brushes after washing and before standing brush-side up to dry

Irwin 4935526 Strait-Line Permanent Marking Chalk, Midnight Black, 4 LB Mounting Each cartridge allows for twoHighlights: Size: 4 lbs Midnight black color Chalk Type: Permanent Product Type: Marking Chalk Color: Midnight Black Number in Package: 1 pk Visible after weeks of weather exposure and jobsite wear Reduces need for spray sealant Stains surfaces Cancer and Reproductive Harm www. P65Warnings. ca. gov.