Compatibility : This blender replacement parts set is specially designed for the VitaMix Blade 500/650/12 series. The knife group transmitter is precisely compatible with the model. Once installed, it can ensure the stable operation of the blender's knife group transmission system and restore powerful blending performance. Core Function : As a key transmission component of the blender, it can effectively transfer power from the motor to the knife group, ensuring the smooth operation of blending and grinding ingredients. It is an important component to maintain the basic functionality of the blender. Material Durability : Made of high-intensity wear-resistant material, it can withstand the friction and impact during high-speed operation of the blender. It is not easily degraded during prolonged use, effectively extending the service life of the blender. Convenient Installation : Its design conforms to the installation logic of the VitaMix Blade series. Users can easily complete the