Dewalt DCH273N Cordless XR 18v SDS Brushless Hammer Drill 3 Mode The DEWALT DCH273N Brushless XR 3 Mode Hammer is supplied with a quick release SDS-Plus toolholder and keyless chuck for easy switching between hammer/rotary hammer and rotary only applications. It has a category-leading high speed drilling performance at more than 90 holes (10 x 80mm) per charge. With a rotation stop mode for light chiselling in plaster, tiles and render and impact stop mode for rotary only drilling in wood and metal. The brushless motor and high capacity XR 18 Volt 5.0Ah Lithium-Ion battery platform provide extreme runtime and reduced maintenance. It is fitted with an electronic clutch for consistently-high torque and improved durability and is ideal for drilling anchors and fixing holes .