2-in-1 whisk for the Aeroccino3 milk frother. Detach the whisk to create smooth, flat milk perfect for a latte or a flat white. Leave both attachments on the whisk for frothy milk to enjoy in your cappuccino. Both metal parts can be removed for cleaning.Compatible models of Aeroccino3: Standalone (White or Black), Aeroccino3 bundled with UMilk, Aeroccino3 bundled with Citiz&Milk, Aeroccino3 with Expert Machine.