A tip that will help you know which gauge wire to use depending on what other materials you are incorporating.
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What Gauge of Wire Should I Use to Make Jewelry
1 x 10 Metre Coil of Gold Colored Copper Wire (Gilt) for Jewelry Making - 0.6mm / 22 Gauge. MORE Wire: ITEM SECTIONS,
22 Gauge Gold Wire, 10 Metres, 0.6mm Wire, Gold Jewelry Wire, Gilt Copper Wire, Gold Colored Copper, Wrap Wire, Gold Craft Wire, UK Seller
Gold/ Silver Plated Copper Wire, Craft Wrapping Supplies, 0.3-1mm, 18/ 20/ 21/ 22/ 24/ 26/ 28 Gauge Soft Wire, 1 Full Coil GB-455
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How to Choose Wire for Jewelry: 3 Steps (with Pictures) - wikiHow
22 Gauge, 925 Sterling Silver Wire, Round, Half Hard - 5FT from Craft Wire : : Home & Kitchen
Artistic Wire Flat Silver-Plated - 21 Gauge, 3mmX.75mmX3