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 length of 45 millimeters and a diameter of 12 millimeters, they are ideal for various model building projects. The tension pins come in a convenient pack of 25 pieces, providing an ample quantity for numerous applications. They are particularly useful for securely fixing components and ensuring precise alignment during the construction process. The use of metal as the material group ensures high stability and durability, making them an excellent choice for hobbyists and professional model builders alike. These tension pins are an essential tool for enhancing the quality and accuracy of your models.