| Metric | ||||
| Order Number | Range | Accuracy | Description | Mass |
| 317-251-30 | 0-25mm | ±4µm | Digital model with ratchet stop | 335g |
| 317-252-30 | 25-50mm | ±4µm | Digital model with ratchet stop | 360g |
| Inch/Metric | ||||
| Order Number | Range | Accuracy | Description | Mass |
| 317-351-30 | 0-1in 0=25.4 | ±.0002in | Digital model with friction thimble | 340g |
| 317-352-30 | 1-2in 25.4=50.8 | ±.0002in | Digital model with friction thimble | 365g |





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