1、DURABLE ALUMINUM ALLOY: Height gauge holder bar is made of aluminum alloy with excellent strength and durability to maintain stability over long periods of use 2、ROBUST DESIGN: The square bar structure is more robust, providing better clamping force and ensuring the stability of the measuring tool 3、MODERATE LENGTH: The length of the connector is 400mm, which can meet most measurement requirements and facilitate users to make accurate measurements 4、MULTI FUNCTION CLAMPING HOLE DIAMETER: Equipped with two clamping hole diameters of 6mm and 8mm, suitable for measuring tools of different diameters, providing a wider range of applicability 5、CONVIENT AND EFFICIENT: Dial test indicator height gauge holder bar support simple operation, easy to install and disassemble, can quickly fix and clamp the dial indicator, improve work efficiency 6、LIGHTWEIGHT AND PORTABLE: Aluminum alloy height gauge adaptor clamp is lightweight and easy to carry, which can help users flexibly use in a variety of working environments