Easy & Secure Fit for KitchenAid Mixers: Designed to lock perfectly into 4.5 & 5 Qt Tilt-Head KitchenAid Stand Mixers (models: K45, KSM75, KSM150, etc.), it performs just like the original bowl. The new handle makes lifting and securing the KitchenAid mixer bowl in and out of the mixer effortless.