English 
- Brand: BOSCH
- Model: GSB 20-2
- Specifications:
- Power: 850 watts
- output power: 430 watts
- Rated speed: 0 - 1.000 / 0 - 3.000 min.
- Torque: 36 / 15,5 Nm
- Beat frequency: 0 - 17.000 / 51.000 min.
- Cartridge: keyless 1.5 - 13 mm
- Max Drilling Diameter:
- in concrete: 18 mm / 13 mm
- in a tree: 40 mm / 25 mm
- in steel: 13 mm / 8 mm
- dimensions:
- length: 336 mm
- height: 214 mm
- Weight: 2.6 kg