"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. Tool Weight lbs. 6, Chuck Size in. 1/2, Blows Per Minute BPM 0-7,650/0-24,650/0-34,000, Cordless Yes. XRP extended run time batteries Patented 3-speed all-metal transmission ensures long life and the right speed for the job High-efficiency motor delivers 420 Watts Improved control with 360 side handle"
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