Amanaote 3mm Internal Hole Diameter Matte Black Eyelets Grommets with Washer Self Backing Pack of 300 Sets Internal Hole diameter:3mm,Height:4mm,Top Head:7mm 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.