It virtually eliminates hand-scraping the bowl and batter build-up on the blades. Ingredients are thoroughly incorporated ensuring foolproof mixing and baking preparation. FeaturesFits all Kitchenaid4.5 and 5 qt. tilt-head mixersContinuously scrapes the sides and bottom of bowl while mixingHas a "wing-system" design that also can be used as a spatulaVirtually eliminates hand scraping and batter...