Amanaote 20mm Internal Hole Diameter Gun Black Eyelets Grommets with Washer Self Backing Pack of 30 Sets Internal Hole diameter:20mm,Height:8mm,Top Head:33mm Product uses: for purse or bags making and so on. This Eyelet Grommets are great way to Embellish all your many Projects Each set includes one eyelet and one washer. There are all kinds of size and color eyelets in my Store.