XIBEI Electronic Three point Internal Micrometers 6-8mm 8-10mm 10-12mm 12-16mm 16-20mm 0.001mm.335-02-920 Inside micrometer ring

XIBEI Electronic Three point Internal Micrometers 6-8mm 8-10mm 10-12mm 12-16mm 16-20mm 0.001mm.335-02-920 Inside micrometer ring

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