Three-mode, anti-vibration combination hammer with quick-change chuck for heavy-duty use. An efficient combination hammer for SDS-Plus bits. Suitable for impact and unstressed drilling, plus chipping. 850 W output and speed can be adjusted between 315 and 630 min-1. Impact energy of 5, 1 J and optimal drilling range of 10 ? 22 mm in concrete. Max. Drilling capacity of 32 mm in concrete. TECHNICAL SPECIFICATIONS: Maximum Output Power 850 W, No load speed 315 – 630 min-?, Impact 1650 – 3300 min-?, Max. Drilling Diameter in Wood 32 mm, Max. Drilling Diameter in Concrete 32 mm, Max. Drilling Diameter in Steel 13 mm, Optimum Drilling Diameter Range in Concrete 10 – 22 mm, Impact Energy 5, 1 J, Drilling diameter with TCT core bit 90 mm, Power Supply Cord 5, 0 m, Sound Pressure Level (LpA) 89 dB (A), Noise Uncertainty (K Factor) 3 dB (A), Vibration Level (3 axes), Drilling ? 2, 5 m/s?, Vibration Level (3 axes), Impact Drilling 18, 0 m/s?, Vibration: Chiseling 12, 5 m/s?.