1.Material: stainless steel, swc,swpb 2,Wire Dia:0.1-5mm 3.Surface :Nickel-plating ,black ,copper ... temperatures 4) Can be used in various corrosive mediums 5) Main material: carbon spring steel, alloy spring steel,refractory steel, stainless ... free to contact us:Ms Yuan:0755-27734005 0755-27734136 wire form hook