KitchenAid K400 Stand BlenderK400 Variable Speed Blender The performance to deliver the perfect taste for every blend. The K400 variable speed blender's 3 part blending system easily blends even the toughest ingredients for a consistent texture. The ribbed jar design creates a powerful vortex, pulling ingredients into the unique asymmetric blade that cuts at four distinct angles, ensuring your ingredients are thoroughly blended. The Intelli Speed Motor Control then senses