This 6pcs metal cylinder sample set is a practical collection for anyone learning about different metals, conducting small experiments, or working on DIY projects. The set includes Iron, Brass, Aluminum, Zinc, Copper, and Steel rods, each with a standard size of 6mm diameter and 50mm length. Each metal cylinder is clearly labeled with its material name, making it easy to tell apart during comparison or testing. The smooth, uniform shape ensures consistent performance in educational demonstrations, science projects, or hobby applications. These metal samples are suitable for use in schools, home labs, craft workshops, and personal collections. They come in protective packaging to keep them clean and free from damage during storage and transport. offers a convenient way to explore and work with different metal materials.