Genuine Waring replacement part, this item is sold individually. This part acts as a seal for the blenders shown below. It is installed along with other seals and washers underneath the cutter assembly, to prevent leaks from coming out of the bottom of the container. Over time these seals and washers will become brittle and compressed, then will have to be replaced.
This special item is utilized to provide a tight seal between connected components. Unfortunately, over time the material will wear out and it may begin to crack eventually requiring a replacement. Keep in mind this high-quality part is made of durable rubber material and is sold as an individual item. It is a genuine item that is supplie...Read mored by the original equipment manufacturer for use with Waring blenders. Replacing it is a simple task that should only require a socket wrench to remove and resecure the blade assembly.