This machine is intended for hammer drilling in concrete brick and stone as well as light chiseling work it is also suitable for drilling with the rotary only mode in wood metal ceramics and plastics using the accessory adaptor and chuck the electronic speed control also allows the drill to be used for screw driving again using a suitable bit adaptor or chuck when chiseling the vario lock position on the function selector allows a choice of the most effective chisel angle before locking the tool