The spiral tension pins made of spring steel are an essential accessory for model building and provide a reliable solution for various applications. With a diameter of 4 millimeters and a length of 26 millimeters, these tension pins are designed in a heavy-duty version to ensure high stability and strength. They are made from high-quality spring steel, giving them excellent elasticity and durability. The spiral shape allows for easy handling and effective fixation of components, making them ideal for precise work in model building. These items are offered in a practical sales unit of 500 pieces, ensuring a sufficient quantity for extensive projects. The spiral tension pins are versatile and suitable for both hobbyists and professional model builders who value quality and reliability.