WATCH THE VIDEO TO BUY THE RIGHT SIZE: compatible with KitchenAid 5 Quart Bowl-Lift mixer with a stainless steel bowl, if your stand mixer bowl measures between 8 and 8.5-inches diameter, across the top of the bowl, this is the correct BeaterBlade to purchase if that’s the mixer you own 5L-MGY does NOT work with 5 Quart Glass Bowls or the Professional 5-Plus mixer (If you have a 5-Plus Bowl Lift, the large XL-MAX beater blade is the right size) To properly scrape ingredients from the bowl, the BeaterBlade has a very snug fit and will press against the sides of the bowl Beate rBlade METAL will beat, scrape and fold even the thickest cookie dough; Powder coated aluminum frame with plastic blade that is free of rubber, silicone and Teflon; double-overmold construction prevents food from getting stuck in crevices This is for Older Model Kitchen Aid Bowl Lifts with mixing bowls that measure 8 - 8.5 inches in diamter; all sizes of beater blade will connect to stand mixer-only correct model will fit your bowl!!!!! (NOT FOR 5-Quart 5 Plus--that needs our Large XL-MAX blade)