Crack Width Ruler

Crack Width Ruler 

The Simple Ruler Gauge designed to provide economical alternative toother graduated instruments used for Crack Width Measurement in concrete or anyother type of material.  Clear resolution ensures fine details andaccurate measurements. Made from premium recyclable PVC, attractive anddurable, Crack Width Ruler is marked with a range of graded lines. Each linehas a specified width used to measure crack on all types of surfaces. RangeRuler A 0.10 to 2.50mm and B 0.005 to 0.100 inch. Overall Size 53 x 85mm.Thick, credit card size, easy to use and carry around in wallet or shirtpocket.