- 8mm Half Round Combination Test Dial Indicator Stand Digital Gauge Extension Rod for precision measurements. - Designed for seamless compatibility, this holder features an 8mm diameter rod that connects effortlessly with dial gauges, streamlining your measurement tasks. - Constructed from high-quality steel and treated to resist rust, this Dial Test Indicator Holder ensures exceptional durability and a long service life, making it a reliable tool for professionals. - Versatile and efficient, this holder is perfect for specialized applications such as centering the shaft or hole on machine tools. It's ideal for use in workshops or manufacturing settings where accuracy is crucial. - Whether you are aligning parts in machining projects or conducting quality control, this holder’s robust construction and easy compatibility with dial gauges enhance your workflow. - Suitable for both amateur and professional use, its practical design allows for quick adjustments and accurate readings, ensuring you achieve precise results every time.