Tri point calipers are tools ideal for measuring Rock Bits , Hole Stabilizer ,Roller Reamers , etc.The calipers are available in 6 models that cover ranges from 80mm to 1050mm

| Model Specifications | Accuracy (mm) | Measuring range (mm) |
| 80-130 | 0,02 / 0,05 | d.80-130 |
| 130-230 | 0,02 / 0,05 | d.130-230 |
| 230-350 | 0,02 / 0,05 | d.230-350 |
| 350-480 | 0,02 / 0,05 | d.350-480 |
| 480-750 | 0,02 / 0,05 | d.480-750 |



