The Makita HM0870C SDS Max Demolition Hammer is fitted with electronic speed control for maximum productivity and long-life carbon brushes for maximum output. It has a hammer only action and has been developed for SDS Max Bits. The tool is fitted with a variable speed trigger for more control and has been double insulated for added safety. Supplied with: 1 x Bit Grease, 1 x Side Handle, 1 x Carry Case. Specifications: Input Power: 1,100W.Impact Rate: 1,100-2,650/bpm.Impact Energy: 7.6 joules.Weight: 5.1kg. All vibration figures quoted are Tri-axial to EN 60745 2006. Vibration Chiselling: 11m/sec.Vibration K Factor: 1.5m/sec.Noise Sound Power: 98 dBA.Noise Sound Pressure: 87 dBA.Noise K Factor: 3 dBA.