Starrett INTERNAL CHAMFER GAGE, 0-25MM 684M-3Z

These gages directly measure the diameter of chamfered holes. No setting master is necessary. When the three-blade plunger is pressed against a fl at surface, the gage should read the set number stamped on the back of the indicator. In case of wear, the gage may be adjusted to read the proper number. FEATURES  When the three-blade plunger is pressed against a flat surface, the gage should read the set number stamped on the back of the indicator  No setting master is necessary  gages will measure the smallest diameter of any chamfer within the range of angles printed on the dial face of the gage  Gages are also available with electronic indicators on request  Deluxe Padded Case  All ground surfaces are of hardened tool steel  Indicators are AGD design SPECIFICATIONS  Made in America: Yes  Type: Chamfer Gage  Range (mm): 0 - 25mm  Dial Reading: For 90 -127 Degree Angles