The De Walt D25134K Hammer Drill is ideal for drilling anchors & fixing holes into concrete & masonry from 4 to 26 mm in diameter, featuring the mechanical clutch which eliminates sudden high-torque reaction should the bit jam & 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 & screwdriving applications & a Rotation-stop for light chiselling applications in brick, soft masonry & occasionally concrete.