This Hollow Hole Punch Kit is made of durable and sturdy cast steel, ensuring extended durability and ease of use on tough materials like leather and denim. It is designed to fit the Green Hand Press Machine for fixing, molding, and hole cutting. The kit includes dies for various eyelets, grommets, rivets, studs, and jeans buttons. Simply change the die to suit your needs. An adjustable stop screw provides the right amount of pressure for proper closure. These dies are perfect for arts and crafts projects, banners, clothing, press studs on jackets, awnings, posters, bags, and shoes. Please note that the package includes the dies only. Product images are for illustrative purposes; the actual product may differ in shape, size, or color.