The spiral tension pins from Toolcraft are an essential accessory for model building. With a diameter of 4 mm and a length of 40 mm, these tension pins provide a reliable and precise fastening for various materials. Made from high-quality stainless steel, they are characterized by their durability and corrosion resistance, making them ideal for use in different environments. The delivery comes in a convenient unit of 500 pieces, ensuring ample material for extensive projects. These tension pins are particularly useful for the assembly and fixation of components, making them a valuable addition to any workshop or hobby room. Their spiral shape enhances grip strength and stability, facilitating work with various models. Whether for professional use or hobby projects, the spiral tension pins from Toolcraft offer an effective solution for the demands of model building.