Permanent Weatherproof Marking Chalk 17-LS28 200225: Heavy-Duty (40" - 66"

200225: Heavy-Duty (40" - 66" Working Height)

with its fiberglass legs

25 degrees

It detects 450 nm - 800 nm pulse-modulated laser beams even from great distances

3 feet for better precision

Permanent Weatherproof Marking Chalk 17-LS28 200225: Heavy-Duty (40" - 66"The Keson Permanent Weatherproof Marking Chalk is designed perfectly for exterior applications including exterior layout, concrete layout, and long term applications. With its weatherproof feature, this marking chalk is suitable even in extreme conditions. Comes in three colors and sizes, this Keson permanent chalk is flexible in all general construction applications. Configuration Options The Keson Permanent Weatherproof Marking Chalk offers nine