1Level Indicator: The centering dial indicator uses a lever to transfer the relative position of the workpiece center to the indicator, and converts it into the angular displacement of the pointer. 2Main Purpose: This center indicator is an accurate, simple, and visual tool used to determine the relative center of the workpiece being processed, suitable for various machining work. 3Applicable Range: This indicator can determine the relative position of the tool outer circle, cut center, and spindle center, suitable for working at any angle from horizontal to vertical. 4Easy Operation: Turn the centering indicator surface towards the operator, then clamp the transmission shaft, making it easy to read during rotation, which is convenient and practical. 5Durable Material: This indicator is made of chrome plated stainless steel, which is resistant to corrosion and oxidation, has a long service life, and can be used in various environments.