The Dewalt N388774 Armature Assembly provides the rotating component needed for compatible power tool motors. This assembly works with the motor's electrical system to convert electrical energy into rotational movement for tool operation. It is designed to replace a worn or damaged armature during power tool repair and maintenance. Proper installation helps restore motor operation and... https://www.wholetoolbox.com/dewalt-n388774-armature-assembly/N388774.html