The spiral retaining pins from Toolcraft are an essential accessory for model building. These high-quality pins are made from durable spring steel and provide a reliable solution for securing and stabilizing components. With a diameter of 5 millimeters and a length of 22 millimeters, they are ideal for various applications in model building. The spiral shape ensures optimal holding power and prevents unwanted loosening of the connection. The package includes 500 pieces, allowing for long-term use and numerous projects. These retaining pins are particularly useful for hobbyists and professionals who value precision and quality. They are easy to handle and help increase efficiency when working on models. Whether building airplanes, vehicles, or other models, Toolcraft's spiral retaining pins are a practical addition to any toolset.