Inside Groove Digital Caliper with Long Upper Jaw

Features:
-The extended upper internal groove measuring jaw is convenient for measuring the internal groove size in deep holes;
– Grooved sounding rod, used to measure the position and size of grooves in deep holes;
– Any position can be cleared to facilitate the conversion between relative measurement and absolute measurement;
– Any position metric and imperial conversion.
Specification:
Range: Upper Jaw: 7-150mm Inside
Outside Jaw: 0-150mm
Resolution: 0.01mm
Upper Jaw Length: 40mm