1、WIDE APPLICATION: The centering holder can be connected with dial indicator and dial gauges. The semi circular tool holder is suitable for special situations and is used to find the center of the shaft or hole on the machine 2、HIGH PERFORMANCE: This dial test indicator holder is made of excellent steel material. Hard steel after black treatment, not easy to rust, possess long service life 3、MULTI FUNCTION: Can be used for dial test indicator centering bracket. A centered cylinder or hole on a machine tool can also be used as a multifunctional support for test indicators equipped with a stem or dovetail 4、MAIN PURPOSE: Centering indicator holder is used for the connection of lever dial indicator and dial indicator, curved bend rod is suitable for special scenarios 5、EASY TO USE: Simply clamp the dial indicator onto the connection rod and adjust the position for accurate measurements. Suitable for various industrial and DIY applications