The Beater Blade continuously beats scrapes folds and mixes ingredients for KitchenAid Bowl Lift Stand Mixers The Beater Blade virtually eliminates handscraping and batter buildup on the blade and cuts mixing time by as much as 50percent The Pour Chute is made from high grade surgical steel that will not bend during the most rigorous use The Pour Chute fits all stainless steel bowls except for the Kitchen Aid NSF Certified 5 QT not suitable for glass bowls and flared edge work bowls