Features: - 100 metal eyelets, black punch, placed in a transparent storage box. - The buttonholes are made of high quality metal and can be used for a long time. each set of metal grommets and gaskets fit together nicely. - Durable buttonholes are easy to use and are ideal for canvases, tarpaulins, tents, awnings, belts, clothing, wallets, bags and other fabrics. - The inner diameter of these copper grommets is approx. 1/2 inch, outer diameter is 5/6 inch, height is 1/5 inch. Specifications: Material: Copper Color: Silver Inner Diameter: 1.2 cm / 0.47 inch Outer Diameter: 2.1 cm / 0.83 inch Quantity: 100pcs Package includes: 100 sets of silver grommets 1 x punch 1 x base 1 x installation rod 1 x storage box Note: Please do not drill holes in thick materials. Your satisfaction is our greatest concern. Please do not hesitate to contact us if you have any questions. We will respond to you within one business day.