The Bosch SDS-plus® rotary hammer with Dust collection features a dual-fan system with a second set of fan blades for outstanding air suction for more dust collection. The microfilter system has an integrated paper filter captures a high volume of silica dust for reduced exposure. The hammer itself weighs only 5.5 Lbs., but it has a muscular 6.1 Amp motor that provides 1.7 Ft.-Lbs. of impact energy. It has an ergonomic pistol-grip handle, which provides outstanding comfort and performance in hard-to-reach or all-day applications. It has a dual-mode selector for drilling versatility – rotary hammer or rotation-only mode. It has a rotating brush plate for longer brush life and a variable-speed reversing trigger for accurate bit starting. The SDS-plus® system provides for tool-free bit changes with automatic bit locking. It has an integral clutch to minimize risky torque reaction.