The spiral tension pins made of spring steel by Toolcraft are an essential accessory for model building. These high-quality tension pins are made from robust spring steel, providing them with high strength and durability. With a length of 12 millimeters, they are ideally suited for securely fixing various components and ensuring precise assembly. The delivery includes 1000 pieces, allowing for extensive use across numerous projects. The spiral shape of the tension pins ensures optimal holding power and prevents unwanted loosening of the connection. These tension pins are particularly useful for model builders who value quality and reliability. They are suitable for both professional use and hobby projects, offering a practical solution for securing components in various models. With Toolcraft's spiral tension pins, you are well-equipped to efficiently and accurately execute your model building projects.