The spiral retaining pins made of spring steel by Toolcraft are an essential accessory for model building. With a length of 40 millimeters, these pins provide a reliable and precise fastening of components. Made from high-quality spring steel, they are characterized by their robustness and durability, making them ideal for various applications in model building. The pins are available in a practical packaging unit of 50 pieces, ensuring an adequate quantity for numerous projects. The spiral shape of the retaining pins ensures optimal holding power and prevents unwanted loosening of connections. These products comply with the ISO 8750 standards, making them suitable for both professional and hobbyist model builders. Whether for building models, repairs, or adjustments, the spiral retaining pins from Toolcraft offer a simple and effective solution for securing components. They are an essential tool that should not be missing in any workshop.