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인증된 전문가에게 직접 연결
인증된 전문가에게 직접 연결

- Grooved bottom for cylinders
- Two pins to be set against the edge of surface plate
Application :
- Combine with other tools such as a steel ruler, square, nivo... to get the size, then mark the object to get the height size.
- It is used in engineering works, repairing construction machinery such as shipbuilding, prefabricated houses, factory maintenance...