- Precise external measurement tool with 0.0001 inch divisions to deliver reliable results for external dimensions. - Variety of sizes: the set includes three ranges 0-1 in, 1-2 in, and 2-3 in, so you have the right micrometer for most applications. - Easy readability: spiral pairs principle and clearly defined division markings enable quick, accurate readings. - Rust-resistant coating: satin chrome finish on the pin and sleeve protects against rust and reduces glare for long-lasting use. - Practical applications: suitable for machining, assembly, and maintenance tasks that require accurate external diameter measurements. - Use scenarios: - In a machine shop, verify shafts, pins, and sleeves during turning or grinding to confirm tolerances. - In quality control, check external dimensions of parts received from vendors before assembly. - In maintenance or repair, assess wear on housings or fittings to determine replacement needs.