Kitchenaid Pro or Heavy Duty with the 5, 6,7, 8 Quart bowl. Also for the:
AEG Ultramix KM 6100 Professional,
Elektrolux EKM 6100.
Original Kitchenaid product
W10462785= W10720794= W10398838= KSMC7QDH
that
works, and is doing what it should do, MIX.
Look for a demonstration video on You Tube.