1/2-20UNF Keyless Drill Chuck Quick Change Conversion Adapter It relpace for DeWALT DCD920 DCD925 DCD990 DCD995 DCD945 DCD930 DCD931 DCD980 DCD985 DCD932 DCD935 DCD936 DCD940 DCD937. Chuck Keyless for impact driver Conveniently tighten with Remove the old chuck counterclockwise and screw on the new chuck clockwise to lock it automatically, more convenient and labor-saving.
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