The Stainless Steel Inside Calipers Gauge (010mm) is a precision measuring tool designed for accurately checking internal dimensions of gemstones, rings, settings, and small jewelry components. Crafted from high-quality stainless steel, it ensures durability, corrosion resistance, and long-term accuracy. Its smooth sliding mechanism allows jewelers to measure inside diameters with precision and ease, making it ideal for jewelry manufacturing, repair work, and gemstone setting applications.