Milwaukee M18ONEFHPX-552X M18 ONE-KEY SDS+ Hammer Drill Kit (2x5.5Ah)Milwaukee 4933478497 M18ONEFHPX 552X M18 ONE KEY SDS+ Hammer Drill Kit (2x5. 5Ah) FEATURES: The Milwaukee One Key High Performance SDS+ Hammer Drill is the hardest hitting cordless drill in its class. Its powerful hammer mechanism delivers 5. 0J of impact energy at low 6. 9 m s vibrations The drills AUTOSTOP shuts down the tool to protect you from sharp movements in bind up situations ONE KEY tool tracking & security offers a free of charge cloud