Replacement for Nutri Bullet Milling Blade Extractor Blade Compatible with Nutribullet 600W 900W Blender Flat milling blades can mill foods more finely, it’s easier to mill coffee beans, beans, sugar, almonds, sesame, walnuts, and other nuts than cross blades. The Blade is made of food-grade stainless steel and the shell is made of food-grade PP material (Polypropylene). It’s safe and healthy, sharp and durable. High Quality Replacement Parts. Dishwasher safe, non-toxic and never needs sharpening. This blade is made of stainless steel and the base is made of food grade plastic. Ideal replacement parts of NutriBullet 900W and 600W, please do not try for other blenders. Please note this is not the original NutriBullet milling blade.