Features Stainl Steel Construction - Crafted from high-quality stainl steel, this tool ensures longevity and precision, making it ential for every welder's toolkit Easy Metric Conversion - Seamlly switch from standard to metric measurements by simply removing and flipping the gauge body, enhancing versatility for various projects Comprehensive Measurement Capabilities - Accurately measure bevel angles, weld crown heights, and fillet weld sizes, all calibrated to NBS standards for reliable results ential Welding Inspection Tool - Specially designed for welders, it effectively measures weld width, height, and gaps, ensuring high-quality welding standards are maintained Ideal for High-Quality Welding - for products like boilers and prure vels, this measuring tool meets the stringent requirements of demanding welding applications Features: 1、This product is made of stainl steel and has a reasonable structure, is an indispensable measuring tool for welders. 2、Changes from standard to metric simply remove gauge body, turn scales over and replace body. 3、Measure the bevel angle prepared at the end of the assembly gaps, the crown height of the weld, the size of the fillet weld, the scribe line, the socket weld, etc., which can be calibrated to the NBS standard. 4、Welding positioner, welding inspection ruler is a special measuring tool used by welders to measure the bevel angle of welded parts, weld width, height, and welding gaps. 5、Suitable for products and components with high welding quality requirements, such as boilers, prure vels, etc. Specification: Item Type: Weld Stitch Gauge Material: Stainl steel Model: Hi Lo Measurement Unit: Front inch system / back metric system Package List: 1 x Weld Stitch Gauge 1 x English User Manual Package List 1 x Weld Stitch Gauge 1 x English User Manual