Accurate Measurement - Inside diameter micrometer provides exact 5-30mm measurements with 0.01mm resolution, ideal for industrial applications requiring specific inner diameter readings.
Sturdy Alloy Steel Construction - Industrial measuring tool withstands oxidation and abrasion with high-grade alloy steel, ensuring long-term performance in harsh workshop environments.
Ergonomic Spiral Design - Cylindrical micrometer reduces work difficulty with smooth spiral function, increasing productivity for mechanics and technicians measuring pipes or bearings.
Complete Protection System - Laminated wood box safeguards accurate tool from shocks and humidity during storage/transport, maintaining measurement consistency over time.
Ready-to-Use Kit - Includes adjusted standard wheel and installation wrench for immediate use, saving 15+ minutes setup time compared to unadjusted competitors.