The spiral tension pins made of spring steel are an essential accessory for model building and other applications that require a reliable fastening. With a diameter of 2.5 millimeters and a length of 12 millimeters, these heavy-duty tension pins offer high stability and strength. They are made from high-quality spring steel, which enhances their durability and resistance to mechanical stress. The pins are supplied in a convenient unit of 1000 pieces, making them a cost-effective choice for projects that require a variety of fasteners. These spiral tension pins are ideal for use in various applications, whether in model building, woodworking, or metalworking. Their precise dimensions and robust material ensure easy handling and a secure connection. Whether for hobby projects or professional applications, these tension pins provide the necessary quality and reliability to meet the demands of a wide range of projects.