A powerful 550 W motor drives the pneumatic hammer mechanism from Bosch, delivering a high impact force of 1.7 Joules. An SDS plus chuck allows for quick, secure, and tool-free accessory changes. For the chisel function with Vario Lock, you can choose from 36 chisel positions, ensuring an optimal working angle at all times. The hammer drill is also equipped with Bosch's electronic speed control, which allows you to easily adjust the right speed via the trigger switch to suit the material being worked on.