175 foot, 20 gauge, single coil, galvanized wire. Galvanized Hobby wire is great for crafts and DIY projects. Galvanized wire has the highest grade of corrosion resistance compared to other wire. Galvanized wire is available in 16, 18, 19, 20, 22, 24, 28, and 32 gauge wire. Wire tip: a thinner wire means the gauge will increase in size.