The Fein 52278046110 Stator Unit helps restore reliable motor performance in compatible Fein power tools. As a stationary component of the electric motor, the stator works with the rotor to generate the electromagnetic force needed for motor rotation. It is a practical replacement for a worn, damaged, or faulty stator that may cause reduced power, inconsistent operation, or motor fail... https://www.wholetoolbox.com/fein-52278046110-stator-unit/52278046110.html