Cordless Rotary Hammer BITURBO with SDS max GBH 18V-36 C, The GBH 18V-36 C Professional combines extreme compactness and high power for tough jobs in concrete. Lightweight at 6.1 kg, its design is more compact and lighter than any other cordless SDS max hammer on the market. The hammer's BITURBO Brushless technology delivers an outstanding performance o