The DeWalt D25134K Hammer Drill is ideal for drilling anchors and fixing holes into concrete and masonry from 4 to 26 mm in diameter, featuring the mechanical clutch which eliminates sudden high-torque reaction should the bit jam and the electronic variable speed for total control in any application. This 3 Mode Hammer Drill features a Quick Change Removable Chuck for drilling in wood, steel, ceramic and screwdriving applications and a Rotation-stop for light chiselling applications in brick, soft masonry and occasionally concrete.