Cordless Rotary Hammer with SDS Plus GBH 18V-21. The GBH 18V-21 Professional cordless rotary hammer delivers lasting power with 2.0 Joules of impact energy and a brushless motor. The highly efficient brushless tool motor is characterized by lower maintenance needs and better runtime per battery charge, resulting in reduced downtime and improved tool longevity. The tool offers three modes of operation for hammer drilling, drilling, and chiseling, ensuring high versatility. It provides sustained power for drilling numerous holes and offers 20% more battery runtime than the previous model. Fully compatible with the GDE 16 Plus dust extraction system. The GBH 18V-21 Professional features functions such as LED light, overload clutch, variable speed, and Vario Lock. A depth stop and machine cloth are also included.