The Makita HR4511C SDS Max AVT Rotary Demolition Hammer has 2 modes of operation: Rotary Hammer and Hammer only. It is fitted with an anti-vibration system for ultra-low vibration. It is also fitted with a padded, spring loaded, hinged rubberised grip and comes with 2 side handles for increased control.The hammer has a torque limiter so when drill hits reinforcement the torque limiter stops power and a recessed change lever mounted on top of machine to reduce breakage even if machine is dropped or laid down carelessly. The drill is double insulated for increased safety. Supplied with: 1 x Bit Grease, 1 x Depth Stop, 2 x Side Handles and 1 x Carry Case. Specifications: Input Power: 1,350W.No Load Speed: 130-280/min.Impact Rate: 1,250-2,750/bpm.Impact Energy: 9.4 Joules.Capacity: Concrete 45mm, TCT Core 125mm.Weight: 9.0kg. Vibration Chiselling : 7.0 m/sec².Vibration Hammer Drilling : 7.5 m/sec².