3 Interchangeable Dies - Three die sized #0: 1/4", #2: 3/8", #4: 1/2" to meet different needs. High Quality Made of cast iron, it is durable, stable. Easy to Use Mounted to a tabletop or just stand alone. Gets grommets to be set further into the material, not just along the Edge. Press the Lever, which as simple to use as a stapler. Wide Usage - Grommet Machine can be used as a punch machine, eyelet machine, and rivet machine. It can help you to punch the grommets for Banners, Signs, Belts, Bags, Shoes, and etc.