For checking internal boxes, recess diameter, etc.
Each instrument has a movement of 1"
Can be set with a micrometer or a ring gage.
Bezel rotates for zero setting.
Button for opening/closing arms.
Arms automatically open/close when button is released.
Includes fitted case.
Unique Bezel and Clamp Screw Stopper
For Precise External Dial Caliper Gages Click Here
WARNING: This Product Can Expose You To Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm.