The Makita HR5212C Rotary Demolition Hammer has been developed to provide higher operating efficiency and more comfort with unrivalled low levels of vibration. It has 2 modes of operation, Rotary Hammer and Hammer only. It has a Soft No Load function that automatically reduces the motor speed during idling to suppress the vibration of the machine body. The HR5212C is fitted with AVT (Anti-Vibration Technology, vibration absorbing housing. The speed of drilling is easily controlled via the variable speed control dial and it offers constant speed control, even in difficult applications. The soft start and torque limiter prevent damage to the machine and the ergonomic soft grip provides comfort even in prolonged periods of use. It is fitted with a SDS Max, one touch sliding chuck for easy bit installation and removal and has a lock on mechanism for chiselling mode. The LED service and power warning lights, prevent unnecessary damage and tell you when parts need replacing. The machine is also compatible with a dust extractor attachment, not supplied. Specification Input Power: 1,510W No Load Speed: 150-310/min. Impact Rate: 1,100-2,250/bpm Impact Energy: 19.1 joules Shank: SDS Max Capacity: Concrete 52mm, Core Diameter (TCT) 160mm Weight: 11.9kg Vibration K Factor: 1.5 m/sec². Vibration: Chiselling: 8.0 m/sec². Vibration: Hammer Drilling: 9.0 m/sec².