With four functions (Drill, Chisel, Rotation & Hammer) and high impact energy of 1.6 Joules the SDS4-800 is versatile and very effective. The variable speed feature allows for optimum control and the hi-torque 650W motor packs the punch required to drill into tough applications, such as steel, concrete & other masonry. Other features include an adjustable auxiliary handle making it easy to direct into position, as well as an ergonomic main handle with soft grips for comfort. It’s light and portable without losing the key attributes of strength and durability; ideal for daily and extensive use.