Which type of measurement device is used to check the precision of dimensions such as length, depth, and width?

Gage blocks are specifically designed to check the precision of dimensions such as length, depth, and width. They are precision-ground rectangular blocks that come in various thicknesses and are used as a reference standard for calibration and verification of measuring instruments. When stacked together, gage blocks can produce very precise measurements by combining their thicknesses, allowing for extraordinary accuracy in measurement applications.

In contrast, calipers, measuring tapes, and micrometers each serve specific purposes as well, but they do not provide the same level of absolute precision that gage blocks do. Calipers are great for measuring inside, outside dimensions, and depths but may not offer the same calibration accuracy as gage blocks. Measuring tapes are primarily used for larger dimensions and may not provide the level of precision needed for fine measurements. Micrometers are excellent for measuring small distances, particularly in metalworking; however, they are focused on specific measurement scenarios rather than a standardized reference like gage blocks. Understanding the specific applications and capabilities of these tools is crucial for effective measurement in technical fields.