Stainless Steel Material: This blender replacement blade accessory is made of high-quality, food-grade stainless steel, making it environmentally friendly and durable. Convenient Replacement: Broken or damaged blades on the cutting head can be easily replaced, and old parts can be directly substituted. Suitable for Vorwerk Thermomix TM21. Easy to Use: The \"heart\" of the food processor works with four ground blades at different levels, ensuring optimal and even grinding or mixing. Turning the blender blade clockwise shreds the juice, while turning it counter-clockwise shakes it against the beveled edges. Easy to Clean: This juicer replacement blade is easy to clean, resistant to scratches, rust, and breakage, and is durable and efficient. It can be quickly and easily cleaned under running water. Durable and Practical: This high-quality stainless steel blender blade replacement accessory is quiet, strong, resistant to low temperatures, and easy to install.