说明

• 0-0 0 Lever Dial Indicator With Measuring Probes Instruments Dial Bore Gauge Test Indicator Tool Micrometer Precision Features: 7 JEWELS suggests that some of the rotating parts at the inside are using bearing made from tremendous difficult jewels instead of something like bronze or plastic to delay the precision by wearing slower Widely used in mechanical processing, workpiece measurement, kit calibration the test indicators can be relevant to measure the geometrical structure,straightness,planeness,parallelism and coaxiality

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