Item Type:BookBindingScrewMaterial: Brass .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Fine Workmanship: The book binding screw adopts excellent workmanship and has a curved design, which is beautiful and practical. 2Uniform Coating: The nickel plating layer is uniform and can be heat treated to improve its hardness, strong and durable. 3Hard Thick: The rivets are smoothing and delicate, hard and thick, and the surfaces are oil free. 4Packing Quantity: There are 200 sets of leather DIY rivets, which can meet different needs and provide options for DIY. 5Color Lasting: Electroplating treatment, not easy to fade and paint, the surfaces are smoothing and free of burrs.