Bosch GBH 2-26 DFR SDS+ Plus Rotary Hammer Drill in Carry Case with Quick Change Chuck & 3 Piece Drill Bit Set The fast all-rounder for daily use FEATURES Gets the work done quickly due to fast drilling rate and high chiselling performance because of 800 watt powerful motor and 2.7 joules of impact energy Reliable and robust with long lifetime due to high-quality components Wide range of applications with rotation stop for chiselling work Quick-change chuck for fast changes between drilling with impact in concrete and drilling without impact in wood and metal Ball grommet for preventing cable breaks Rotating brush plate for equal power in forward and reverse rotation Overload clutch to protect the user and the machine Forward/reverse rotation for dislodging jammed drill bits Continuously variable speed control for clean drilling starts SPECIFICATION Rated power input: 800 W Impact energy: 2,7 J Impact rate at rated speed: 0 - 4000 bpm Rated speed: 0 - 900 rpm Weight: 2.9 kg Length: 407 mm Width: 83 mm Height: 210 mm Bit holder: SDS-plus Drilling dia. concrete, hammer drill bits: 4 - 26 mm Opt. appl. range concrete, hammer drill bits: 8 - 16 mm Max. drilling diameter masonry, core cutters: 68 mm Max. drilling diameter in steel: 13 mm Max. drilling diameter in wood: 30 mm NOISE & VIBRATION Hammer drilling in concrete:  Vibration emission value ah: 16.5 m/s² Uncertainty K: 1.5 m/s² Chiselling:  Vibration emission value ah: 10.5 m/s² Uncertainty K: 1.5 m/s²