Features 1、The product consists of a main ruler, a height ruler, a undercut depth gauge and a multi-purpose ruler. 2、Used to detect various groove angles, heights, widths, gaps and undercut depths of welds. 3、Suitable for testing boilers, bridges, shipbuilding, pressure vessels and oil field pipelines. It is also suitable for measuring parts with high welding quality requirements. 4、Made of stainless steel, the product is reasonable in structure, good in appearance, convenient in use and wide in applicability, and is a necessary measuring tool for a welder. 5、The gauge has accurate scale and it can provide clear reading. Specification Condition: 100% Brand New Item Type: Welding Gauge Material: Stainless Steel Color: Silver Size: Approx.52x71mm/2.05x2.8in Weight: Approx.135g/4.8oz Range Tolerance Value Flat Height 0-20mm / 0.0-0.8in 0.2mm / 0.01in Fillet Weld Height 0-12mm / 0.0-0.5in 0.2mm / 0.01in Fillet Weld Thickness 0-15mm / 0.0-0.6in 0.2mm / 0.01in Width 0-45mm / 0.0-1.8in 0.3mm / 0.01in Weld Undercut Depth 0-5mm / 0.0-0.2in 0.1mm / 0.004in Weld Groove Angle ≤150° 30° Gap Size 0.5-5mm / 0.0-0.2in 0.1mm / 0.004in Package List 1 x Welding Gauge