Dewalt's enhanced durability and reliability withstands job-site environment and the most demanding applications. Heavy-duty 1/2" self-tightening chuck tightens throughout operation providing superior bit gripping strength. 36V drill has 3 speed settings and 22 clutch settings. Maximum RPM 0-400/0-1,200/0-1,600 , maximum BPM 0-6,800/0-20,400/0-27,200. Kit includes drill, 1 hour charger, (2) 36V batteries, 360° side handle and heavy-duty kit box.