These Aluminum Eyelets Etc. Washers are a must for any eyelet that you set. It creates a nice, smooth, finished edge to the back side of your paper. Use these, and you'll never have to worry about covering up your eyelet backs again. Just place the washer on the back side of your paper through the eyelet and then set away! 50 washers per package to fit 1/8 inch eyelets.