General description High quality stainless steel flat washers that are durable and designed to last. This assortment includes various sizes to meet different needs, making it an essential hand tool for any household. Technical specifications M2: 50PCS M2.5: 50PCS M3: 50PCS M4: 50PCS M5: 50PCS M6: 50PCS M8: 40PCS M10: 20PCS Usage Flat washers are used under nuts to increase the contact area and prevent loosening. They are ideal for electrical connections on household and commercial appliances, as well as automotive and marine applications. Other information Includes a plastic storage box for easy classification and access to the washers by size.