Inside Knife-Edge Digital Calipers
Anyi Instrument Co., Ltd. [China] 
Detailed Product Description
Features:
Inside Knife-Edge Digital Caliper can facilitate the measuring of the inside diameter of a deeper hole.
Zero-setting at any position.
Inch/mm conversion at any position.
Data output.
Specifications:
| Measuring Range | Order No. | Resolution | Permissible Error | L | a | b | d | |
| 15-150mm(.6-6") | 113-501 | 0.01mm(.0005") | ±0.03mm | 250 | 60 | 12 | 16 | |
| 20-150mm(.8-6") | 113-501-1 | 0.01mm(.0005") | ±0.04mm | 250 | 90 | 14 | 16 | |
| 25-150mm(1-6") | 113-501-2 | 0.01mm(.0005") | ±0.05mm | 250 | 150 | 22 | 24 | |
| 18-200mm(.7-8") | 113-502 | 0.01mm(.0005") | ±0.05mm | 305 | 75 | 14 | 16 | |
| 22-200mm(.9-8") | 113-502-1 | 0.01mm(.0005") | ±0.06mm | 305 | 100 | 17 | 16 | |
| 25-200mm(1-8") | 113-502-2 | 0.01mm(.0005") | ±0.07mm | 305 | 150 | 22 | 24 | |
| 20-300mm(.8-12") | 113-503 | 0.01mm(.0005") | ±0.05mm | 410 | 90 | 15 | 16 | |
| 22-300mm(.9-12") | 113-503-1 | 0.01mm(.0005") | ±0.06mm | 410 | 120 | 20 | 24 | |
| 25-300mm(1-12") | 113-503-2 | 0.01mm(.0005") | ±0.07mm | 410 | 150 | 22 | 24 | |
| 22-500mm(.9-20") | 113-505 | 0.01mm(.0005") | ±0.07mm | 700 | 100 | 20 | 24 | |
| 25-500mm(1-20") | 113-505-1 | 0.01mm(.0005") | ±0.08mm | 700 | 150 | 22 | 24 | |
| 35-500mm(1.4-20") | 113-505-2 | 0.01mm(.0005") | ±0.09mm | 700 | 200 | 30 | 24 |
