DEWALT | SDS-Max Combination Hammer with Shocks 110V AVC-ATC-11 J-7KG 48mm | D25721K-B5Tool Holder SDS Max Max. Drilling Capacity [Concrete] 48 mm Max. Drilling Capacity [Breakthrough bit] 80 mm Max. Drilling Capacity [Core bit] 115 mm Power Input 1350 Watts Power Output 840 Watt Impact energy (EPTA 05 2009) 11 J Load Speed 132 265 rpm Blows per Minute 1225 2450 bpm Length 528 mm Height 268 mm Width 116 mm Weight 8. 7 kg Hand Arm Vibration " Hammer drilling into concrete 8. 9 m s 2 Uncertainty K 1 (Vibration) 1. 5 m s 2 Hand Arm