Check the listing for details. K-3 PHASE SEQUENCE INDICATOR. Condition: New – Open box. Listed at 600.00 USD. The K-3 Phase Sequence Indicator is a tool used for monitoring the sequence of phases in a CNC machining process. This indicator helps ensure that the correct sequence of phases is being followed, allowing for better control and quality in metalworking. It is a valuable tool for industrial and manufacturing settings, providing a clear representation of the phase sequence for improved efficiency and precision in metalworking operations.