This 30-piece Plastic Vernier Caliper set is the ideal choice for educators, hobbyists, beauty professionals, and anyone who values accurate, efficient measurements in a compact and lightweight tool. Whether you're working on a school assignment, shaping brows with precision, or crafting small components, these mini calipers offer the right balance of ease, accuracy, and durability. Each caliper is made from high-quality ABS plastic that is both lightweight and strong, giving you a tool that is comfortable to use and reliable in performance. The smooth surface finish ensures it won't scratch or damage delicate surfaces or materials, making it suitable for beauty work or model-making. Despite its light build, the construction is sturdy enough to last through multiple uses in demanding environments like classrooms or workshops. The caliper features a measuring range of up to 6 inches (150 mm), with a fine scale accuracy of 1/128 inch, allowing users to measure internal and external diameters, as well as depth, with confidence. The clearly printed markings offer excellent readability without strain, and the manual sliding gauge gives a satisfying level of control for those who prefer a traditional feel over digital devices. One of its standout applications is in the beauty industry, where the eyebrow measuring tool function helps professionals deliver balanced, symmetrical designs. It is also a practical choice for school children learning measurement concepts, engineers doing prototyping, or hobbyists working on crafts that require careful dimensioning. The set comes with 30 individual calipers, allowing them to be easily shared, assigned to different students, or categorized for different tasks. Whether for precision grooming, student science kits, or DIY toolboxes, these plastic vernier calipers are compact, efficient, and essential. Add them to your toolkit for versatile and repeatable measurements in countless scenarios.