Measures internal and external dimensions with a metric Vernier scale for precise readings Easy to use and operate Intuitive design and clear graduations for quick, reliable measurements Minimal setup required, making it suitable for beginners and professionals alike Portable and convenient Compact size for easy carrying and on the go measurement in workshops, labs, or fieldwork Lightweight construction supports one handed use when needed Vernier scale in metric units for internal dimensions Specifically suited for measuring internal diameters, slots, and grooves with accurate results Use scenarios Machining and quality control: verify bore diameters and outer dimensions of machined parts during setup or inspection Field service and on site work: check internal clearances and fitting tolerances in equipment or enclosures without returning to a bench DIY projects and hobbyist tasks: size small components, fittings, or enclosures to ensure proper fit and assembly