Feature:1. Color Lasting: Metal nail rivet studs adopts electroplating treatment, which is not easy to fade and paint, so that the surfaces of the product is bright and as new.2. Uniform Coating: The nickel coating is uniform and dense, with high hardness, and the coating can be heat treated to improve its hardness.3. Curved Surfaces Design: Book binding screw adopts curved surfaces design, smoother, excellent workmanship, beautiful and durable.4. Excellent Workmanship: DIY leather rivets are made of brass material, the surfaces are flat and smoother, no burrs, excellent workmanship, sturdy and durable.5. 90 Sets: There are a total of 90 sets of metal nail rivet studs, a large number to meet your use needs, can be used for a long time.Specification:Item Type: Book Binding ScrewMaterial: BrassPackage List:90 x Book Binding Screw(Sets)