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; } 1Excellent Workmanship: The book binding screw is a brass cambered ledger nail, has excellent workmanship, is beautiful and durable, outdoor convenience 2Hard and Thick: The binding screws assorted kit has a glossy and delicate appearance, which is hard and thick, and the appearance is oil free 3Uniform Coating: The chicago screws have uniform coating, and the higher hardness coating can be heat treated to increase its hardness 4Brass Material: The leather screw rivets are made of brass, which has glossy edges and no burrs, can be used with confidence 5Color Lasting: Metal nail rivet studs adopts electroplating treatment, which is not easy to fade and paint, so that the appearance is bright and clean