1.High quality with best price2.Well reputation3.Factory with strong supply ability4. Prompt shipmentCopper illberry Copper) 99% High Purity 0.30mm, 0.25mm, 0.20mmWeight/spool: 3 kg, 5 kg, 7 kg, 15 kg, 20kgTensile strength: 1000 N/mm2, 900 N/mm2, 500 N/mm2, 450 N/mm2, N/mm2