DEWALT | SDS-Max Combination Hammer with UTC 220V-22.70J-9KG 52mm | D25773K-B5Tool Holder: SDS Max Power Input: 1500 Watts Power Output: 980 Watt Impact energy (EPTA 05 2009): 15. 5 J Load Speed: 125 250 rpm Blows per Minute: 1150 2300 bpm Max. Drilling Capacity [Concrete]: 52 mm Max. Drilling Capacity [Breakthrough bit]: 80 mm Max. Drilling Capacity [Core bit]: 150 mm Weight: 9. 9 kg Length: 561 mm Height: 272 mm Width: 116 mm Hand Arm Vibration " Hammer drilling into concrete: 8. 0 m s 2 Uncertainty K 1 (Vibration): 1. 5 m s