FLT WSHR AL 3/16"X 30PK *Brand Name: Arrow *Diameter: 3/16 in. *Material: Aluminum *Product Type: Flat Washers *Color: Silver *Number in Package: 30 pk *Packaging Type: Clamshell *These washers are durably constructed and ideal for use with rivets when joining soft, pliable materials or when working with oversized or irregular holes