This is a genuine manufacturer-sourced replacement part which is specially produced for use with Craftsman lawn and garden equipment. It is a standard hardware which has multiple applications, please make sure to check appropriate diagrams of your model for the correct location and application of this hardware. Keep in mind this durable metal bolt is sold individually.
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.