With SDS-plus shank (ø 10 mm), thanks to the innovative ZENTRO design, easy centering and drilling, reduced friction and centric guidance in the drill hole for precise and perfectly fitting holes, the core reinforcement ensures a high level of break resistance and ensures that the hammer's impact energy is transferred directly to the drill tip, the 4-spiral geometry of the drill ensures rapid removal of drilling dust, for all drilling work with rapid drilling progress in stone, (iron-reinforced) concrete and natural stone