superior performance - the hammer drill is equipped with an 800 watt motor and 2.8 j striking energy for maximum drilling performance. drilling capacity: 26 mm, no-load speed: 0-1200 rpm, rated impact frequency: 0-4000 bpm. longer life - the sandblasting hammer has advanced cooling mechanism and large ventilation for more efficient heat dissipation and greater overload capacity. the robust construction extends the life of the tool. 4 in 1 tool: the drill is equipped with a rotary switch that allows you to switch easily and freely between hammer, drill, chisel and hammer drill. suitable for drilling, chiselling and stripping concrete, metal, stone and other professional tasks. work efficiently: the sds-plus allows you to quickly and tool-less transition from drill to drill and chisel to chisel. the 360deg auxiliary handle and the all-metal depth bar with anti-vibration function enhance the handling and stability of the device. a locking button on the handle maintains speed and reduces fatigue. box contents: 1 x hammer drill, 4 x sds-plus drill bits (6 x 110 / 8 x 160 / 10 x 160 / 12 x 160 mm), 1 x pointed chisel, 1 x 2.7m power cable, 1 x extra handle, 1 x user manual.