🔧 Rivet Your Way to Perfection! Comes in a handy plastic box for easy organization. Weighs only 300g, making it easy to handle. Aluminium with a steel mandrel for long-lasting performance. Designed for use with riveting guns for flawless results. Perfect for securing components in various projects. MultiColor Pack of 50 4mm Diameter The Immech 4mm x 12mm Blind Rivets are crafted from durable aluminium with a central steel mandrel, ensuring robust performance across various applications. This pack of 50 multi-colored rivets comes neatly stored in a plastic box, making it an essential addition to any toolkit for professionals and DIY enthusiasts alike.