This Tarnish Resistant Craft Wire from Beadsmith is ideal for use as an embellishment wire. Available in Gold, Silver or Copper color on a tarnish-resistant spool. Provided on spools in the sizes 16, 18, 20, 22, 24, 26, and 28 gauge in Gold, Silver, and Copper. The gold color wire has a core of premium grade brass, the copper wire is pure copper, and the silver color wire has a copper core. The tarnish resistant feature results from an oven-baked clear coat finish. Made in USA for Beadsmith.