The spring pins made of spring steel by Toolcraft are an essential accessory for model building. With a length of 40 millimeters and a robust design, these spring pins provide a reliable solution for various applications. They are made from high-quality spring steel, giving them high strength and durability. The package includes 1000 pieces, providing ample supply for projects that require precise and secure connections. The spring pins are designed in a heavy-duty version according to DIN 1481, highlighting their suitability for demanding applications in model building. They are ideal for use with various materials and offer easy handling. Whether for building models, repairing, or adjusting components, these spring pins are a practical choice for anyone who values quality and reliability. With their versatile range of applications, they are suitable for both hobbyists and professional model builders.