Description
The Avongard Crack Width Ruler Gauge is ideal for fast and easy measurement of crack widths from 0.1 to 7 mm. The ruler has a resolution of 0.05 mm in the range from 0.1 – 1.0 mm and of 0.5 mm above this range. It is made of scratch-resistant polycarbonate, and comes in a protective case. The overall length is 165mm.