FeaturesInner Dia: 6mm (approx. 1/4-inch)DescriptionThis grommet punch tool has two parts: top die and bottom die that are working together to punch grommets. The grommet cutting hole fits for grommets of inner diameter 6mm.The practical grommet punch tool is very essential equipment for dressmakers, artists, craftsmen, sign shops and clothes manufacturers, etc.NoteMonitors are not calibrated the same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.