Check the listing for details. 150Pcs Square Pyramid Rivets for Clothing, 5mm Four-Jaw Studs Spikes, Silver. Condition: New. Listed at 10.55 USD. Description:Well Material: These cone spike rivet studs are crafted from durable copper material which is built to withstand wear and tear, ensuring long-lasting use than other common iron.4-Jaw Pyramid Design: The pyramid shape of these studs adds a fashionable touch to any project. Whether you are embellishing clothing, bags, shoes, or DIY crafts, these studs will elevate your designs with their modern appeal.Easy to Use: With a back of prong design, these studs can be easily attached with hand tools or pliers to various materials such as leather, fabric, denim, and more. However, if the leather you want DIY is so thick, you can use an awl to make holes first, then install.Versatile Applications: For leather enthusiasts, these rivets are perfect for creating custom designs on wallets, bracelets, keychains, and more.