Mitutoyo 368-770 3-Point Internal Micrometer 50–63 mm + Setting Ring 60mm
ORION Setting Ring GaugeØ 60 mm (Part No.32605285, DIN 2250-1, Form C). Included Ring Gauge ORION Ø 60 mm, DIN 2250-1 Form C, hardened gauge steel, marked size, tolerance class js4. like new. ORION ring gauge is.