To measure diameter of a small sperical/cylindrical body and to measure internal diameter and depth of a given beaker using vernier calipers and hence find its volume.

A Vernier caliper is a high-precision measuring instrument used to determine the dimensions of objects with superior accuracy compared to standard rulers. In a laboratory setting, it is essential for measuring the external diameter of spherical or cylindrical samples, as well as the internal diameter and depth of laboratory glassware like beakers.

Technical Specifications:
* Measuring range: 0–120 mm (0–5 inches)
* Resolution/Least count: 0.02 mm or 0.05 mm
* Material: Iron Chrome plated
* Measurement modes: External, internal, depth, and step measurement
* Locking mechanism: Thumb screw for slide positioning
* Scale type: Dual scale (Metric and Imperial)
* Accuracy: ±0.03 mm (at 20°C)