Milwaukee 5368-21 7/8-Inch Capacity SDS Drive D-Handle Rotary Hammer 7/8" solid bit capacity, 2" core bit capacity Variable speed: 0-1100 rpm, 0-5000 bpm, reversing Powerful 7.2 amp motor provides power for a hard-hitting 1.8 ft/lbs of energy per blow Speed control switch allows operator controlled starts for less bit walk resulting in more accurate hole positioning Limited warranty