1、Broad Using: Can be used to check undercut depth, the amount of porosity per linear inch, porosity comparison and crown height. 2、Clear Scale: Through laser engraving, the clear scale makes the reading much more convenient and simplifies your working as well. 3、Easy Measuring: Comes with a wide measuring range and high accuracy, the weld gauge enables easy operation and measurement. 4、Good Material: Forged with premium stainless steel material, the sturdy and rustproof inch inspection gauge has a long service life. 5、Simple Carrying: Compact in size and light in weight, the welding ruler has a storage bag to facilitate easier carrying in daily work. 1 x Welding Gauge1 x User Manual1 x Black Storage Bag Item Type: Welding GaugeMaterial: Stainless steelPurpose: Welding GaugeModel: V-WACScale Engraving Type: Laser engraving. Metric System Measuring Range: Approx. 0 ~ 6mm / 0 ~ 0.2inMetric System Accuracy: Approx. 0.5mm / 0.02inInch System Measuring Range: 0~1/4inInch System Accuracy: 1/64inRuler Thickness: 0.95mm / 0.04inMeasuring Range: Can be used to check undercut depth, porosity per linear inch, porosity comparison and crown height.