The dewalt dck250p2 brushless twin pack contains the following 1 x 18 volt dcd795 brushless compact hammer drill which has brushless motor technology for excellent efficiency and an ultra compact lightweight design that is perfect for use in confined spaces its two speed all metal transmission for increased runtime and longer tool life has a drill driver and hammer feature for multiple applications and a 15 position adjustable torque control for consistent screwdriving into a variety of material