- To test crankshaft deflection
- The balance block is mounted on the back of dial indicator to keep the dial indicator facing up
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| Code | range | Dial indicator range | Graduation | Extension rods | Accuracy |
| 2841-300 | 60-300mm | 3mm | 0.01mm | 16mm, 32mm, 64mm, 128mm | ±0.016mm |
| 2841-500 | 60-500mm | ±0.03mm | ±0.03mm | 16mm, 32mm, 64mm, 96mm, 128mm, 192mm | ±0.016mm |