💜💜1.Material: The wrench is made of stainless steel and plastic. It has good wear resistance, rust and corrosion resistance, durability and long service life. 💜💜2.Replace parts #891 and 802. It is recommended to check the condition of the outlet drive every three months to ensure that the teeth are sharp to maintain good working condition. 💜💜3.The kit includes six wrenches and six mushroom head drive Sockets that is compatible with most Vitamix Blender models. 💜💜4.When the blender blade assembly is prevented from rotating, the drive socket can connect the motor to the blade assembly and protect the motor. 💜💜5.JJDD is focused on providing high quality products and first class service at a reasonable price.A three-month warranty is provided to you. If you are not satisfied with our products,please feel free to contact us and we will resend or refund., Manufacturer: JJDD