Copper wire Used for: jewelry making Color: gold, silver, copper Material: Copper Dimensions (approximately): 0.2mm (20m), 0.3mm (15m), 0.4mm (8m), 0.5mm (6.5m), 0.6mm (5m), 0.8mm (2m). 1.0mm (1.5m) Quantity: 1 piece/roll You can use it to make your favorite jewelry.