- The anvil and spindle are blade-shaped for measuring the groove diameter of shafts, keyways, and other hard-to-reach features.
- Carbide-tipped measuring faces are available.
- Non-rotating spindle type.
- Qquipped with Ratchet Stop for constant measuring force.
Specifications:
| Metric | |||||
| Order No | Range | Accuracy | Remarks | Mass | Type |
| 122-101 | 25-50mm | ±3µm | – | 260g | A |
| 122-102 | 50-75mm | ±3µm | – | 300g | A |
| 122-103 | 75-100mm | ±3µm | – | 360g | A |
| 122-104 | 75-100mm | ±4µm | – | 525g | A |
| 122-105 | 100-125mm | ±4µm | – | 670g | A |
| 122-106 | 125-150mm | ±4µm | – | 775g | A |
| 122-107 | 150-175mm | ±5µm | – | 950g | A |
| 122-108 | 175-200mm | ±5µm | – | 1140g | A |
| 122-111 | 0-25mm | ±3µm | – | 260g | B |
| 122-112 | 25-50mm | ±3µm | – | 300g | B |
| 122-141 | 0-25mm | ±3µm | – | 275g | D |
| 122-142 | 25-50mm | ±3µm | – | 315g | D |
| 122-161 | 0-25mm | ±3µm | – | 275g | C |
| 122-162 | 25-50mm | ±3µm | – | 315g | C |
| Inch | ||||
| Order No | Range | Accur | Type | Mass |
| 122-125 | 0-1in | ±.00015in | A | 260g |
| 122-126 | 1-2in | ±.00015in | A | 300g |
| 122-127 | 2-3in | ±.00015in | A | 360g |
| 122-128 | 3-4in | ±.0002in | A | 525g |
| 122-135 | 0-1in | ±.00015in | B | 260g |
| 122-151 | 0-1in | ±.00015in | D | 275g |
