Designed, engineered, and tested by KitchenAid Fits KitchenAid 5 or 6 Quart Professional Bowl-Lift Stand Mixers models only. The 6-wire whip quickly incorporates air into ingredients for fluffy whipped cream, perfect boiled frostings and cakes with whipped egg whites Best Fits Bowl-Lift Stand Mixer Models: KV25*, KP26*, KF26*, KSM6521*. Please check your model number and stand mixer type.