The Modelcraft Sprocket Set is an essential accessory for model building. It provides a precise solution for connecting and driving models. With two different bore diameters of 2.9 mm and 3.9 mm, this set allows for flexible adaptation to various requirements. The sprockets are made from high-quality plastic, giving them high durability and stability. They are ideal for use in various model building projects, whether in vehicle construction or other mechanical designs. The easy handling and assembly make the set a practical choice for both hobbyists and professionals alike. Whether for building functional models or as spare parts, the sprocket set offers the necessary quality and precision to successfully execute your projects.