The Milwaukee® M12™ FUEL™ 5/8 in SDS Plus™ rotary hammer kit provides upto 2X more runtime upto 75% more speed and the largest SDS Plus™ bit capacity in its class. Milwaukee® has combined its exclusive POWERSTATE™ brushless motor, REDLITHIUM™ battery pack and REDLINK™ Plus™ intelligence to deliver a 12 V rotary hammer that rivals compact 18 V tools on the market today. At only 10 in L and 3.9 lb, this tool provides performance and runtime that is comparable to a much larger tool, at a fraction of the size and weight. The electro pneumatic design allows for drilling of upto 5/8 in holes in concrete and masonry. For maximum versatility, regardless of application or orientation, the tool also features 2-mode operation, rotary hammer and hammer only.