Hi Lo Detector 10ft

SKU: HM-416
Used for measuring pavement planeness. Operated by one person along a highway, airport runway, or bridge surface. The unit detects and dye- marks high and low areas that need to be ground or rerolled. Variations are magnified 16 times on a vertical scale graduated in 1/8" increments up to 1/4". Uses replaceable bright orange aerosol marking dye. One case, (12) cans, comes with unit.

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