* 0.8MM DIAMETER * 20GA * 6 METERS * Gold Wire with Copper Core * It is a perfect finish for most jewelry wire wrapping uses. * This wire has an anti-tarnish coating and can be twisted together or simply used alone. * Medium temper wire is flexible and well-suited for creating components with sharp angles or that need to maintain their shape under moderate stress, such as ear wires, jump rings, or weight-bearing parts of wire-wrapped jewelry. * When used to create an element like a clasp, which will be subjected to high stress, it should be hardened after shaping. * This can be done by placing it on an anvil or bench block and striking it with a nylon-jaw hammer.