Bosch GBH 2-28 Professional 230 V SDS-plus 2 KG Rotary Hammer In a L-BOXX. This product has best performance in its class with improved power. It features increased user protection with KickBack Control (KBC) in order to minimise the risk of injury. There is also active vibration damping with counter oscillator for minimal vibration levels. The hammer comes with magnesium gear housing for improved robustness. It has a ball grommet for preventing cable breaks, a rotating brush plate for equal power in forward and reverse rotation and an overload clutch to protect the user and the machin. Other features of this product include forward/reverse rotation for dislodging jammed drill bits, continuously variable speed control for clean drilling starts and a locking button for continuous and fatigue-free work.