Features: Ensure precisions in every measurement with Test Indicator Holder, for Mill Machines with a 1-7/8in clamping diameter, crafted from aluminum for long performances. Featuring a clear white Face, this indicator holder offers easy readability and high accuracy, making it a essential tool for any industrial application requiring precise measurements. Ideal for mechanical engineers, quality inspectors, and professional who demand measurement accuracy, this tool is to support their exacting standards. Perfectly suited for use on factory production lines, laboratory testing environment, and equipment calibration setting, ensuring reliable result across various applications. With its construction, Test Indicator Holder is a valuable addition to any toolkit, enhancing productivity and confidence in measurement tasks. Specifications: Material: Tool Steel Box Length: About. 13cm/5.12in Package Includes: 1 Set Test Indicator note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.