These rivet made of alloy which durable and strong. These Spikes can be applied to most materials like leather and denim, by fastening the spike to the screw. And studs are perfect for art making, leather crafts and clothes making, such as shoes, belts, handbags, jackets, leather bracelets etc. It fully shows your special taste and personality. Features - Color: Bronze. - Material: Zinc alloy. - Size: 2.5x1.5x1cm. - Good for decoration on necklace, DIY bags, shoes, jackets, etc to show your special taste and personality. - Studs are great for use in a variety of projects: Punk apparel, Motor embellishment, Couture apparel, Fashion apparel and other DIY projects. - Skull studs are perfect for art making, leather crafts and clothes making, such as shoes, belts, handbags, jackets, leather bracelets etc. - Made of quality material, durable and strong. - It fully shows your special taste and personality.