... for details Features: Rotary hammer is one kind of electric drill,it can drilling in concrete,stone,floor with high efficiency ... thoughtful design of light weight, compact and well balanced design, speed control switch, comfortable auxiliary handle, along with high class after ... :220VFrequency:50HzMax Driling Diameter:26mmRated Input Power:600WNo Load Speed:0-870r/minPackage:5PCS/CTNG.W:4.3kgN.W: ...