DeWalt DCH334X2-GB 54v XR FLEXVOLT Cordless Brushless SDS+ Plus Hammer Drill inc 2x DCB547 Batteries, Charger and Quick Change Chuck in TSTAK Carry Case This 3-mode dedicated hammer from DeWalt is part of the Flexvolt range of cordless power tools from DeWalt sporting 54 volts of power from the batteries. The DCH334 is a lightweight workhorse which will perform admirably even when compared to corded tools. With a quick change SDS chuck and a quick change standard 13mm chuck which are easily interchanged, this is a great all round machine for drilling, chipping and demolition tasks. FEATURES Quick release SDS-Plus toolholder and keyless chuck supplied for easy switching between hammer / rotary hammer and rotary only applications Category-leading high speed drilling performance at more than 66 holes (18mm Ø x 80mm) per charge 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 FLEXVOLT 9.0Ah 18V/54V Lithium-ion battery platform for extreme runtime and reduced maintenance Perform & Protect: best-in-class vibration at 8.5m/s², minimising user fatigue Bright white LED with delay feature improves visibility Ideal for drilling anchors and fixing holes into concrete, brick and masonry from 4mm to 30mm Compact, lightweight and ergonomic design for improved comfort and support during extended operating periods SPECIFICATION Voltage: 54v Tool Holder: SDS-Plus Battery Type: XR Flexvolt Li-Ion  Battery Capacity: 9.0 Ah (18v) Impact Energy (EPTA 05/2009): 3.5 J No-Load Speed: 0-1000 rpm Blows per Minute: 4480 bpm Max. Drilling Capacity (Concrete): 30 mm Max. Drilling Capacity (Wood): 30 mm Max. Drilling Capacity (Metal): 13 mm Weight: 3.9 kg Weight (incl. Battery): 5.15 Kg Length: 419 mm Height: 250 mm Width: 95 mm NOISE & VIBRATION Sound Pressure: 94 dB(A) Sound Pressure Uncertainty: 3 dB(A) Sound Power: 105 dB(A) Sound Power Uncertainty: 3 dB(A) Hand/Arm Vibration - Hammer Drilling Into Concrete: 7.5 m/s² Uncertainty K 1 (Vibration): 1.5 m/s² Hand/Arm Vibration - Chiselling: 8.5 m/s² Uncertainty K 2 (Vibration): 1.5 m/s² Hand/Arm Vibration - Drilling Into Metal: <2.5 m/s² Uncertainty K 3 (Vibration): 1.5 m/s² Hand/Arm Vibration - Screw Driving Without Impact: <2.5 m/s² Uncertainty K 4 (Vibration): 1.5 m/s²