4000 Packs of Grommet & Washers Sets include 2000 packs of #0 type grommets with 1/4″ hole setting size, 1000 packs of #2 type grommets with 3/8″ hole setting size and 1000 packs of #4 type grommets with 1/2″ hole setting size, suitable for using with grommet machines or tools to punch eyelets. They are applied for large production of clothing, also for repairing and embellishing leather, canvas, PVC cloth.