DeWalt DCH274P2 18v XR Cordless Brushless SDS+ Plus 3-Mode Dedicated Rotary Hammer Drill complete with Quick Change Chuck, 2x 5.0Ah Batteries, Charger and Carry Case The DCH274 cordless SDS+ hammer drill with 5.0Ah Lithium-Ion batteries will give unbeatable runtime. The brushless motor helps this machine give 63% more holes than the DCH253. It also benefits from a quick change chuck for easy switching between hammer / rotary hammer and rotary only applications. FEATURES Rotation stop mode for light chiselling in plaster, tiles and render and impact stop mode for rotary only drilling in wood and metal Brushless motor with high capacity XR 5.0Ah 18V Lithium-ion battery platform for extreme runtime and reduced maintenance Electronic clutch for consistently-high torque and improved durability Perform & Protect: best-in-class vibration at 6.6m/s², minimising user fatigue Bright white LED with delay feature improves visibility SPECIFICATION Voltage: 18v Battery Capacity: 5.0Ah No Load Speed: 0-1,100/min Impact Energy: 2.1 Joules Blows Per Minute: 0-4,600/bpm Tool Holder: SDS-Plus Capacity in Wood: 26mm Capacity in Metal: 13mm Capacity in Concrete: 24mm Length: 301mm Weight: 3.3kg Hand/Arm Vibration: Drilling 6.6m/s², Chiselling: 5.4m/s², Metal: 2.5m/s² Uncertainty: K1/K2/K3 (Vibration): 1.5m/s² Sound Pressure: 86 dB(A) Sound Pressure Uncertainty: 3 dB(A) Sound Power: 97 dB(A) Sound Power Uncertainty: 3 dB(A)