Horizontal digitizing measuring machines and coordinate measuring machines are instruments used in metrology to precisely measure the dimensions and positions of objects. A horizontal digitizing gauge is a measuring instrument that is usually used to measure flat or level surfaces. It consists of a horizontal arm with a measuring tip at the end. The gauge has a digital display that shows the measured distances in real time. Horizontal digitizing gauges are commonly used in the automotive, aerospace, and other industries where high precision is required in the measurement of components. A coordinate measuring machine (CMM) is a powerful measuring instrument used to measure objects in three dimensions. It consists of a stable base on which a table with a movable arm and a measuring tip is mounted. The instrument is capable of measuring the position and dimensions of an object in an accurate manner by capturing the X, Y and Z coordinates of the measuring tip and displaying the results in a coordinate system. CMMs are often used in manufacturing to ensure that parts and components are produced within specified tolerances.