Best in class impact energy of 4-ft/lbs, delivers the fastest drilling and chiseling speeds on the market Powerful 7.4 Amp motor delivers 850 Watts of input power to outspec the competition in drilling, chiseling, size and weight Newly designed mechanism integrates the mode selector with the idle strike restrictor resulting in a compact design while improving reliability and extending the life of the tool Electronic variable speed control provides a no-load RPM between 0-850 and an impact rate of 0-3,700 BPM Solid and dependable chuck accepts SDS Plus bits by simply sliding the bit into the retainer- to remove the retainer slides forward and the bit is released making replacements a breeze 3 modes of operation: drilling only, hammer only and hammer drilling that is controlled by an easy to use mode selector dial Adjustable 360 side handle provides better control and can be removed when working in tight spaces for better maneuverability Side handle includes a depth gauge for consistent drilling depths Auto stop carbon brushes prevent motor damage and add to overall durability Lightest and most compact rotary hammer in its class at 9.5 lbs and 14″ in length Soft elastomer pistol grip provides a solid and comfortable grip 36-position variable lock mechanism allows for simple adjustment of chisels to the most comfortable working angle