Inside Groove Dial Caliper
Anyi Instrument Co., Ltd. [China] 
Detailed Product Description
Features:
can measure the narrow inside groove in a hole.
Inch/mm conversion at any position
Zero setting at any position.
Data output.
Specifications:
| Measuring Range | Order No. | Dial reading | Permissible Error | ||
| Graduation | Range/rev. | ||||
| 16-150mm | 173-101 | 0.02mm | 2mm | ±0.03mm |
