The 120 dial calipers are the sole dial calipers manufactured in the United States. Widely utilized by mechanics and toolmakers, these calipers offer direct reading, ease of handling, reliability and precision, making them one of the most versatile measuring tools available. Key features include a white dial, a measurement range of 0-6 inches and graduations of 0.001 inches. The calipers come with a 6 inches white dial and are housed in a fitted plastic case. Exclusively manufactured in the USA - precision dial caliper Direct measurement, dependable and precise Precisely etched, high-contrast dial graduations for enhanced readability and precision measurement Precision-engineered, high-contrast black graduations are meticulously etched onto the satin-finished measurement bar for enhanced readability and durability Knife edge contacts designed for both internal and external measurements Ergonomically designed for single-handed operation, featuring a precision thumb-actuated adjustment dial for enhanced control and accuracy Securement fastener for dial bezel and retention fastener for stabilizing the sliding jaw mechanism Hardened stainless steel bar, measurement surfaces, rack, gears and depth rod Optimized, dual-phase gear separation mechanism with integrated anti-backlash regulation system Rack depth rod with cover