The spring pins made of spring steel from Toolcraft are an essential accessory for model building. These high-quality spring pins are available in a convenient pack of 100 pieces and provide a reliable solution for various applications. With a length of 40 millimeters and dimensions of 4 x 40 mm, they are ideal for fastening and securing components. The material used, spring steel, ensures high strength and durability, making the spring pins particularly robust. They are lightweight and easy to handle, making them an excellent choice for hobbyists and professionals in model building. The spring pins comply with the DIN 7346 standard and are designed in a lightweight version that allows for easy integration into various projects. Whether for building models, repairing, or adjusting components, these spring pins offer an effective and practical solution for your model building needs.