Introduction of "GBH 3-28 DRE Professtion"
| Power | : 800 W |
| Power dams | : 0 - 3.5 J |
| Scope drilling | |
| Concrete Drilling | : 4 - 32 mm |
| Drilling Steel | : 13 mm |
| Drilling Wood | : 30 mm |
| No-load speed | : 0-900 v/p |
| Speed dam | : 0 - 4000 l/p |
| Weight | : 3.5 kg |
Introduction of "GBH 3-28 DRE Professtion"
| Power | : 800 W |
| Power dams | : 0 - 3.5 J |
| Scope drilling | |
| Concrete Drilling | : 4 - 32 mm |
| Drilling Steel | : 13 mm |
| Drilling Wood | : 30 mm |
| No-load speed | : 0-900 v/p |
| Speed dam | : 0 - 4000 l/p |
| Weight | : 3.5 kg |
