Bosch gbh 2-26 e professional rotary hammer with sds-plus power hammers rotary hammer rated power input800 w impact energy3 - 3 j impact rate at rated speed0 - 4000 bpm rated speed0 - 900 rpm Sds-plus tool holder- optimum power transfer. For rotary hammers in the 2 - 4kg class., Easy and precise control of the rpm- thanks to variable speed Color: blue; concrete, hammer drill bits4 - 26 mm opt. Appl. Range concrete, hammer drill bits8 - 16 mm max. Drilling diameter masonry, core cutters 68 mm No abrupt blockage of the tool by unlatching clutch dogs and minimizing torque; package contents: hand drill Best work results with speed pre-selection- for applications requiring material-specific speed protection