The spiral tension pins made of spring steel from Toolcraft are an essential accessory for model building. With a length of 20 millimeters, these tension pins provide a reliable and stable connection for various applications. Made from high-quality spring steel, they are characterized by their strength and durability, making them ideal for use in precise model building projects. The item comes in a practical package containing 500 pieces, ensuring an adequate supply for numerous projects. These tension pins are versatile and suitable for both professional model builders and hobbyists who value quality and reliability. The use of metal materials ensures high load capacity and a long lifespan of the products. The spiral shape of the tension pins allows for easy handling and secure fixation, making them a valuable addition to any toolset in model building.