Quick Change Removable Chuck for precise drilling in wood and steel and screw driving applications . Ideal for drilling anchor and fixing holes into concrete and masonry from 0.16 to 1 in diameter . Electronic variable speed for total control in any application . Rotation-stop for light chiseling applications in brick, soft masonry and occasionally concrete . Impact-stop for drilling in wood, steel, ceramic and screw driving applications . Safety clutch eliminates sudden high-torque reaction should the bit jam . Ergonomic rubber coated back handle design for improved comfort in use . Rounded ergonomic industrial design allows easy and comfortable handling in any application . Large 1 inch hammer mechanism delivers high performance with low stress to the critical components . Improved sealing for maximum protection from dust ingress ensuring long tool life . Long 16 foot cable for improved flexibility and control . Connection for Integrated Dust Extraction System . Replaces the DeWalt D