28 Gauge Solid, Kynar Insulated Electronic, Hobby or Crafts Wire, 10 Color Assortment on 100 Ft. Rolls 100 foot rolls of Kynar Insulated, Silver Plated Copper Wire 10 different colors Can be used for electronics, hobbies and crafting projects 0.024" Overall Diameter (approximate), 0.004" Insulation Thickness UL1423 Rated, 300 Volt 105C Kynar Insulation