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 fitted with a padded, spring loaded, hinged rubberised grip and comes with 2 side handles for increased control. It has a torque limiter so when drill hits reinforcement the torque limiter stops power and a recessed change lever that is 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. Specification 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