The adjustment rings from Modellbau Lindinger are precisely manufactured components made of nickel-plated brass. These adjustment rings have an inner diameter of 2.1 mm and are equipped with M3 set screws with an internal hex. They are available in a practical sales unit of five pieces, making them an ideal choice for various applications in model building. The use of brass as a material ensures high strength and durability, while the nickel-plated surface provides additional protection against corrosion. These adjustment rings are versatile and suitable for both hobby projects and professional applications. They allow for precise adjustment and fastening of components, which is crucial for the quality and functionality of models. The easy handling and reliable connection make these adjustment rings an essential accessory for every model builder.