Rotary Hammer Bosch GBH 2-26 DRE Professional is a reliable corded rotary hammer with SDS Plus tool holder, designed for efficient drilling, hammer drilling and chiselling in concrete and masonry. It is ideal for construction, installation, renovation, masonry, drilling and chiselling applications. Technical Specifications Power Input: 800 W Impact Energy: 2.7 J Impact Rate: 0–4, 000 BPM No-Load Speed: 0–900 RPM Tool Holder: SDS Plus Drilling Capacity in Concrete: 4–26 mm