"This DEWALT heavy-duty hammerdrill/driver features a patented 3-speed all-metal transmission that matches the tool to the task for fastest application speed and improved run time. Heavy-duty 1/2in. self-tightening chuck tightens throughout operation providing superior bit gripping strength. Chuck Size in. 1/2, Cordless Yes, Tool Weight lbs. 6.25, Blows Per Minute BPM 0-8,500/0-21,250/0-34,000. XRP extended run batteries Patented 3-speed all-metal transmission ensures long life and the right speed for the job High-efficiency motor delivers 450 Unit Watts Improved control with 360 side handle LED worklight for increased visibility"
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