Features:
The measuring surface is a blade type, so you can easily and accurately measure the diameter of fine grooves in round objects.
The measuring surface is also made with a carbide chip.
Specifications:
Measurement Range: 2.0 - 3.0 inches (50 - 75 mm)
Minimum display amount: 0.001 mm
Tip Shape: A-type
Spindle Method: Straight type
Constant pressure device: Yes.