DescriptionThis grommet punch tool has two parts: top die and bottom die that are working together to punch grommets.The grommet cutting hole for grommets of inner diameter 3mmThis practical grommet punch tool is essential for dressmakers, artists, sign shops and clothes manufacturers, etc.DimensionPunch Die Size: 83mmx8mm( L*Dia)Bottom Die Size: 7mmx2mm( L*Dia)Package1 x Grommet Punch Tool.