Stainless steel material: This blender blade replacement 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 kitchen appliance's \"heart\" works with four blades sharpened at different angles, ensuring optimal and even grinding or mixing. Turning the blender blade clockwise shreds, while turning it counter-clockwise shakes the ingredients using the beveled edges. Easy to clean: This replacement blender blade is easy to clean, resistant to scratches, rust, and breakage, and is durable. It is quick and easy to clean under running water. Durable and practical: High-quality stainless steel blender blade replacement accessories are quiet, high-strength, low-temperature resistant, and easy to install. Stainless steel material: High-quality stainless steel replacement accessories for blender blades. Directly replaceable: Damaged blades can be easily replaced and are compatible with Vorwerk Thermomix TM21. Food-grade stainless steel material: Made of food-grade stainless steel, durable. Not easily damaged: Easy to clean, not easily scratched, not easily rusted, and ensures efficient work.