The spring pins made of spring steel by Toolcraft are an essential accessory for model building. With a length of 16 millimeters, they provide a reliable and stable connection for various applications. These spring pins are made from high-quality spring steel, ensuring their durability and strength. The package includes 500 pieces, providing ample material for numerous projects. The use of metal as the material group ensures high load capacity and resilience, making them ideal for various model building applications. Whether for securing components or ensuring precise connections, these spring pins are a practical solution for both hobbyists and professionals alike. Their ease of use and versatile applications make them a valuable addition to any model building toolkit.