1. PROFESSIONAL MEASURING TOOL: This fanshaped welding gauge is specially designed for measuring the angle, width, and height of welding chambers. With a measuring range of 0 20mm and an accuracy of 0.01mm, it is an essential tool for welders to test welding surfaces and joints with confidence. 2. STAINLESS STEEL CONSTRUCTION: Made of quality stainless steel, this welding gauge provides exceptional resistance to rust and bending, maintaining its shape and functionality even with regular use. Store it in a dry place after each use for maximum longevity. 3. CLEAR ENGRAVED SCALES: Different from printed gauges that wear out over time, this welding gauge has deeply engraved scales that remain clear and legible throughout its lifetime. The permanent markings ensure accurate measurements every time without fading due to friction or regular handling. 4. COMPACT AND PORTABLE DESIGN: Approximately 180mm long with a lightweight design, this welding leg length fillet height gauge conveniently fits in your toolbox or pocket. The fan shape offers multiple measurement points in one convenient tool, making it for professionals.