Measuring caliper for a broad range of industrial and applications, designed in a compact pocket size for convenient onthego use. Millimeter measuring tool made from strong plastic material, providing a lightweight and durable option that helps reduce marring of delicate parts. Plastic caliper with metric (millimeter) scale, suitable for precise measurements in a lightweight, economical form factor. Twoway measurement: internal and external dimensions, enabling quick checks of hole diameters, bore sizes, and external widths. Portable and easy to carry, ideal for toolboxes, workbenches, labs, classrooms, and fieldwork. Use scenarios: Quick external dimension checks on small fasteners, spacers, or components during electronics assembly or hobby projects. Internal diameter measurement of holes, bushings, sleeves, or cavities in 3D printed parts, plastics, or light metal components. General DIY and craft tasks where a lightweight, nonmarring measuring tool is beneficial for rapid size verification. Benefits at a glance: Lightweight plastic construction reduces risk of damaging or scratching parts. Metric measurements provide compatibility with standard metric components. Compact design enhances portability and ease of storage.