This powerful 6-inch SDS Max rotary hammer drill delivers exceptional drilling and chiseling performance for demanding concrete applications. With 11.5 amp motor generating 8.5 joules of impact energy, it provides optimal power-to-weight ratio for extended overhead and vertical drilling operations. The Active Torque Control (ATC) safety system instantly stops the tool if the bit jams, reducing injury risk, while the Active Vibration Reduction (AVR) system minimizes operator fatigue during prolonged use. Designed for professional contractors who need reliable performance in reinforced concrete up to 6 inches (150 mm) in diameter.