| Model | 20BL-IWLI-04 |
| Motor | Brushless |
| Rated Voltage | Max. 20V DC |
| Speed Gears | Low//Medium/High |
| No-load Speed | 0-1000/0-1500/0-1800rpm |
| Impact Rate | 0-1500/0-2200/0-2800bpm |
| Max. Fasterning Torque | 1000N.m |
| Max. Loosening Torque | 1200N.m |
| Chuck Size | 1/2" or 3/4" Square |
| LED Light | Yes |
| Optional | 20V Battery Pack 2Ah, 4Ah Battery Charger |