Grommets, Nickel, #3, 7/16", includes washers & grommets, can be used with press machine Go to amazon.com Related posts 11 best grommet press 7/16 for 2022 DescriptionSelf piercing professional high quality grommets. 7/16" hole size .4375", flange diameter .965", length under flange .228" Nickel Finish Box of 500