Material: Pure Copper (99.9%)Wire Diameter: 0.2mm 0.3mm 0.4mm 0.5mm 0.6mm 0.8mm 1mm 1.2mm 1.4mm 1.5mm1.6mm 1.8mm 2mm 2.3mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mmLength: 1/5/10 Meter