This blade replacement is made of 304 stainless steel, which is known as food grade material. You can use this to dispose of your food without worrying about whether it will harm your health. Adopts low-temperature materials, strong rigidity, strong stress, fast working efficiency and no noise. You can enjoy a more comfortable kitchen environment. This Blender blade fits for Thermomix TM31, it s a direct replacement for the old parts, the broken or damaged blade can be easily replaced. So it is a good helper for the soup machine that has not been used for a long time because of the blade. Please confirm the model before your purchasing. Specification: Condition: Brand New Item Type: Blender Blade Material: Stainless Steel Fitment: Fit for Thermomix TM31 Weight: Approx. 310g / 10.9oz Package List: 1 x Blade Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.