| Specification | OW-025 | OW-10 | OW-20 | OW-60 | |
| Measurement range/N・m | 0.25 | 1 | 2 | 6 | |
| Mechanical life (number of rotation / times) | 10,000 | 8,000 | 5,000 | 5,000 | |
| External dimensions | Bit fitting part | M2.6+ | M3+ | M4+ | M6+ |
| Outer diameter / height | φ28/44 | φ32/51 | φ32/51 | φ38/69 | |
| Mounting part | □20×5(t) | ||||