Get faster drilling and harder hitting with the new 11263EVS 13/4-in. SDS-max Combination Hammer from Bosch Power Tools and Accessories, Mount Prospect, Ill. The tool’s 13.5-amp motor powers 145 to 280 rpm and 1,350 to 2,800 bpm with 9.6- and 11.1-ft/lb impact energy in drilling and chipping, respectively. With a 6-in. core bit capacity, the 11263EVS (Circle 924) is the largest 13/4-in. hammer available, according to the manufacturer. The 11263EVS is good for concrete, electrical, mechanical/HVAC, highway and bridgework, remodeling and general contractors.