The tension pins from Toolcraft are an essential accessory for model building. These high-quality tension pins are made from robust spring steel and feature a heavy-duty design that ensures reliable and long-lasting use. With a diameter of 16 millimeters and a length of 20 millimeters, they are ideal for various applications in model building. The tension pins come in a convenient sales unit of 25 pieces, making them an efficient choice for projects that require a variety of fastenings. The use of metal as the material group guarantees high stability and strength, which is crucial for the demands of model building. These tension pins are particularly useful for securely fixing parts and ensuring precise assembly. They are a valuable addition to any toolset and support both hobbyists and professional model builders in realizing their creative projects.