· Output : 21V. No load maximum speed of 4000r/min(frequency 2500r/min) for driving large fasteners quickly and easily. · Wrench Chuck : 1/2". - 1 x Electric wrench. · Drill Chuck : 0.8-10mm / 3/8". · Forward / Reverse Button: enables easily change rotating direction,can be used for tightening or loosening nuts and bolts.
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