A Vernier Micrometer is a precision measuring tool commonly used in engineering and science. It is also known as a Micrometer Screw Gauge or a Depth Micrometer. A Micrometer Screw Gauge measures distance with great accuracy, while a Depth Micrometer measures the depth of a surface with the same precision. In addition, the Vernier Micrometer can be called a Digital Micrometer since it features a digital display to enhance its accuracy and make readings easier to obtain. Another synonym for the Vernier Micrometer is the Outside Micrometer, which is used to measure the outside diameter of cylindrical objects. Despite their differences, all these terms are interchangeable, describing a tool that is crucial to accurate measurement in many fields.