1、Sanitary: The mixer replacement blade is made of food grade stainless steel, which is environmentally friendly and sanitary and easy to clean. 2、Durable: Because this blender knife is made of stainless steel, the blade replacement part is not easy to rust or fall off, and has a long service life and strong practicability. 3、Easy to Use: This blender knife is a practical accessory for Vorwerk Thermomix TM21, which is easy to install and use. Broken or damaged blades can be replaced easily and old parts can be replaced directly. 4、Fast Working Efficiency: The blender blade can withstand low temperature, has the characteristics of hard strength and fast working efficiency. 5、Noiseless: The noise free design brings you a more comfortable experience without worrying about affecting other people of your family at all.