Malco Products FCFG Exposure Fiber Cement Siding Facing Gauge, 5" to 8"Highlights: Used on fiber cement planks while working across the width of the plank to assure greater accuracy of the desired exposure and guards against sagging Adjustable for precise 5", 6", 7" or 8" exposure position without use of tools or fasteners Easily held with one hand Manufactured of tough, long lasting, weather resistant nylon material Carded Using the facing gauge while working across the width of the plank assures greater accuracy of the