18V to 12V Step-Down Converter for Milwaukee M18 Battery Adapter DC 12V10A 120W. 200x30cm Garden Repellent Deterrent Animal Scarer Anti Dog Cat Pet Mat Spike Net. This chuck is compatible with Gen 1 Milwaukee M18 drills, but not compatible with Gen 2 and 3, which take 9/16-18 threaded chucks.
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