Same features as QB-144/ QB-145, but with safety throttle lever.
| Pad Dia Inch (mm) | 4″ (100) |
| Spindle Size | 3/8”-24 |
| Free Speed R.P.M. | 11000 |
| Avg. Air Consumption CFM (L/min) | 6.0(170) |
| Air Pressure PSI (bar) | 90 (6.3) |
| Overall Length inch (mm) | 9″ (230) |
| Motor HP | 0.78 |
| Net Weight LBS (kg) | 3.8 (1.73) |
| Air Hose inch | 3/8″ |
| Sound Pressure EN ISO 15744 dBA | 87.8 |
| Vibration Level m/s² | 1.2 |












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