Inton Solid Brass Grommets Eyelets 100 Pack (3/8"(10x16.5), Gun Black) Size: inside diameter:3/8" (10mm), outside diameter: 5/8" (16.5mm) Material: 100% Solid Brass Color:Gun Black(as show) Quantity: 100 Sets With Washer Used to prevent holes from tearing in leather, canvas, etc....Also great for drawstring handbags and such