- The dial features a precise black scale with a balanced reading from 0–40–0 inches and a red scale for 0.001 mm readings, ensuring accurate measurements across various applications. - Built for durability and accuracy, this gauge offers high sensitivity and quick response times, making it ideal for precise measuring tasks. - Designed specifically for machining, layout, and inspection work, this measuring tool meets the needs of professionals in various fields. - It allows for accurate and convenient measurement of narrow or concave objects, providing a solution for challenges in measuring both inner and outer diameters. - Practical applications include quality control in manufacturing, layout assessment in machining, and precise measurements in engineering projects. - Compatible with various materials and settings, it is an essential tool for engineers, machinists, and quality inspectors seeking reliable measurement solutions.