【Generous 5 Qt Capacity, Tackle Any Recipe with Ease】With a spacious 5 Qt capacity, this bowl handles everything from small-batch whipped cream to family-sized cookie dough or sourdough starters. 【Custom Stainless Steel Locking Base】Engineered specifically for 4.5 & 5 Qt tilt-head mixers (models KSM90, KSM75, KSM150, and more).