This rod can be used in the welding of Copper - Copper, Aluminum-Aluminum, Copper - Aluminum Metal Base, Zinc Metal Base or other metal sheets. Using a Ligher Ready-to-use without any other scaling powder. Note: It is a bit brittle, Maybe it will be broken when you receive them. but it is still good for use. Diameter: 1mm around Length: 78cm Welding Termperaute: 400°C to 480°C Package Including: 5 pcs x 78cm welding Rod