The Toolcraft tension pins 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 50 millimeters and a diameter of 21 millimeters, they are ideal for various model building projects. The tension pins are available in a practical sales unit of 25 pieces, making them an economical choice for hobbyists and professionals alike. They allow for precise and secure connections of components, contributing to the stability and durability of the models. The use of metal as the material group ensures high strength and resilience, which is particularly advantageous in demanding applications. These tension pins are an excellent choice for anyone who values quality and reliability in their model building.