The spiral retaining pins from Toolcraft are an essential accessory for model building. With a diameter of 4 mm and a length of 22 mm, these retaining pins provide a reliable and precise fastening for various materials. Made from high-quality stainless steel, they are characterized by their durability and corrosion resistance, making them ideal for use in different environments. The package includes 500 pieces, ensuring ample material for numerous projects. The spiral shape of the retaining pins ensures optimal holding power and allows for easy handling. These products are particularly useful for hobbyists and model builders who value quality and precision. Whether for building models, making repairs, or engaging in creative projects, the spiral retaining pins from Toolcraft offer a practical solution for a wide range of applications in model building.