The 14-volt DV14DV and 18-volt DV18DV are 1/2-inch cordless, keyless hammer drills that switch between driver drill and hammer drill with the turn of a dial. The 14-volt model has an impact rate of 0-18,000 beats per minute and 346 inch-pounds of torque. The 18-volt has an impact rate of 0-22,500 bpm and 400 inch-pounds of torque.
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PB Topical Ref