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 a reliable connection. With a diameter of 14 millimeters and a length of 36 millimeters, they are ideal for various applications in model building. The tension pins are available in a convenient pack of 25 pieces, making them an efficient choice for projects that require a variety of fastenings. The use of metal as the material group ensures high stability and durability, which is crucial for the demands of model building. These tension pins are not only functional but also versatile, making them a valuable addition to any model building workshop.