| Code | Type | Range | Accuracy | Resolution |
|---|---|---|---|---|
| 3101-25A | Metric/Inch type (ratchet stop) | 0-25mm/0-1" | ±2μm | 0.001mm/0.00005" |
| 3101-50A | Metric/Inch type (ratchet stop) | 25-50mm/1-2" | ±2μm | 0.001mm/0.00005" |
| 3101-75A | Metric/Inch type (ratchet stop) | 50-75mm/2-3" | ±3μm | 0.001mm/0.00005" |
| 3101-100A | Metric/Inch type (ratchet stop) | 75-100mm/3-4" | ±3μm | 0.001mm/0.00005" |
| 3101-125A | Metric/Inch type (ratchet stop) | 100-125mm/4-5" | ±3μm | 0.001mm/0.00005" |
| 3101-150A | Metric/Inch type (ratchet stop) | 125-150mm/5-6" | ±3μm | 0.001mm/0.00005" |
| 3101-175A | Metric/Inch type (ratchet stop) | 150-175mm/6-7" | ±4μm | 0.001mm/0.00005" |
| 3101-200A | Metric/Inch type (ratchet stop) | 175-200mm/7-8" | ±4μm | 0.001mm/0.00005" |
| 3101-225A | Metric/Inch type (ratchet stop) | 200-225mm/8-9" | ±4μm | 0.001mm/0.00005" |
| 3101-250A | Metric/Inch type (ratchet stop) | 225-250mm/9-10" | ±4μm | 0.001mm/0.00005" |
| 3101-275A | Metric/Inch type (ratchet stop) | 250-275mm/10-11" | ±5μm | 0.001mm/0.0001" |
| 3101-300A | Metric/Inch type (ratchet stop) | 275-300mm/11-12" | ±5μm | 0.001mm/0.0001" |
| 3101-25FA | Metric/Inch type (friction thimble) | 0-25mm/0-1" | ±2μm | 0.001mm/0.00005" |
| 3101-25AJ | Metric/Inch type (friction thimble) | 0-25mm | ±2μm | 0.001mm |
| 3101-50AJ | Metric type (ratchet stop) | 25-50mm | ±2μm | 0.001mm |
| 3101-75AJ | Metric type (ratchet stop) | 50-75mm | ±3μm | 0.001mm |
| 3101-100AJ | Metric type (ratchet stop) | 75-100mm | ±3μm | 0.001mm |
| 3101-753A (Set) | ratchet stop type | 0-75mm/0-3" | ±2~±3μm | 0.001mm/0.00005" |
| 3101-1004A (Set) | ratchet stop type | 0-100mm/0-4" | ±2~±3μm | 0.001mm/0.00005" |
| 3101-1506A (Set) | ratchet stop type | 0-150mm/0-6" | ±2~±3μm | 0.001mm/0.00005" |
| 3101-3006A (Set) | ratchet stop type | 150-300mm/6-12" | ±4μm~±5μm | 0.001mm/0.00005", 0.001mm/0.0001" |






