Strait-Line 4935526 Permanent Staining Marking Chalk, Black, 5 Lbs BF20 All-Purpose shelf board

All-Purpose shelf board

Allows application of recommended detergents

Minimum Burst Pressure: 9600 psi

Integral polycrystalline solar panel

Blends in with surroundings for a professional finish

Strait-Line 4935526 Permanent Staining Marking Chalk, Black, 5 Lbs BF20 All-Purpose shelf boardHighlights: Color : Black Size : 5 lb Weatherability is 4+ months Uses outdoor exterior and concrete layout Extreme conditions long term applications Weatherproof lines withstand months of weather, sun and jobsite wear and tear Reduces the need for spraying a sealant on snapped lines The flip top cap seals the chalk in an airtight chamber, keeping out moisture and reducing the risk of clumping Cancer and Reproductive Harm www. P65Warnings. ca. gov.