Material: T2 99.9% Pure Copper. Copper tube has strong corrosion resistance. Copper wire can be used to make wires, cables, brushes and crafts, DIY. 2.3mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm. It is safe. No leakage, no combustion, no toxic gas, anti-corrosion.
eBay