| Code | Type | Range | Presentation Format of Values | Head Type |
|---|---|---|---|---|
| IST-31WM1500 | Mechanical Preset | 300~1500N.m | Engraved-line | Fixed ratchet head |
| IST-31WM2000 | Mechanical Preset | 400~2000N.m | Engraved-line | Fixed ratchet head |
| IST-31WM3000 | Mechanical Preset | 600~3000N.m | Engraved-line | Fixed ratchet head |




