D25133K: Ideal for drilling anchor and fixing holes into concrete and masonry from 4 to 28 mm in diameter. Quick Change Removable Chuck for drilling in wood, steel, ceramic and screwdriving applications. Large hammer mechanism delivers high performance with low stress to the critical components resulting in better durability. Electronic variable speed for total control in any application. Rubber coated side handle to improve user comfort. Improved sealing for maximum protection from dust ingress ensuring long tool life. Rotation-stop for light chiselling applications in brick, soft masonry and occasionally concrete. Impact-stop for drilling in wood, steel, ceramic and screwdriving applications. Mechanical clutch eliminates sudden high-torque reaction should the bit jam. Drilling holes in solid masonry, concrete stone from 4 to 26mm in diameter to various fixing. DWE4120: Product Features : Fully leaded stator windings for increased motor durability 100 percent Ball bearing design increases efficiency and durability Pop off ushes protect the armature from damage at the end of ush life resulting in greater motor durability Abrasion protected motor for increased durability Paddle Armature Brand : DeWalt Power Tool Type : Grinders Model Number : DWE4120-B5 Color : Yellow Diameter : 115 mm Speed Rotation : 11800 RPM Voltage : 220 Volts Power Output : 900 Watt