内径百分表

1.用于测量小孔内径尺寸   For small holes diameter measurement.
2.带可换测头，测量范围大   Changeable anvils for wide measuring ranges.
3.配φ57mm表圈小型百分表   Equipped with a φ57mm small dial indicator.
4.可根据客户要求改变L长度   The length of L can be changed according to customer's requirement.

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