This is sold as a set that contains eight washers. These parts attach to the tank and are made out of metal. They are genuine items that are supplied by the original equipment manufacturer for use with Craftsman air compressors. During replacement, it may require a wrench to help install these parts correctly. They will require replacing if they become bent or broken.
This is a genuine Norelco replacement part for use with electric shavers/razors, this is not an aftermarket imitation part. This part is used to charge the internal batteries of the shaver/razor, the black coil cord is sold individually.