Features: 1.Made of high quality brass material, these screws and rivets are durable and sturdy 2.Electroplating surface gives these screw rivets a beautiful black color 3.The surface is quite smooth and comfortable to touch, exquisite workmanship and delicate 4.There are total 20 pieces screws and 20 pieces rivets that you may use for many projects 5.Rivets are perfect accessories for bags, shoes, hats, pants, coats, pet collars, home textiles and so on specification: Made of high quality brass material, these screws and rivets are durable and sturdy. Electroplating surface gives these screw rivets a beautiful black color. The surface is quite smooth and comfortable to touch, exquisite workmanship and delicate. There are total 20 pieces screws and 20 pieces rivets that you may use for many projects. Rivets are perfect accessories for bags, shoes, hats, pants, coats, pet collars, home textiles and so on. s: Size: 5mm, 8mm (Optional) Material: Electroplated brass Color: Black (as picture) Quantity: 20sets Weight: Approx. 28g(5mm); 36g(8mm) Package Includes: 20pcs x Rivets 20pcs x Screws Note: Please allow 1 or 2 quantity error in one bag. Thanks for your understanding.