This product is a set of 14 ea. flat washers made of stainless steel, most with a thickness of 0.10 inches and a hole size that starts at 5/8 inches up to 1 washer that has an inner hole size of 1 1/2 inches. The washers have various diameters and they are made of a hard stainless material and are not soft washers. They are plain finished and manufactured in the United States. The washers are corrosion resistant and are designed to provide stability and provide resistance against vibrations and movements in various industrial and commercial applications.