Solid 30 Gauge Kynar Insulated Wire Wrapping Wire Kit with 6 Different Color 100 Foot SpoolsKit includes six 100 foot spools of Kynar (PVDF) insulated 30 gauge solid tin plated copper wire that is suitable for wire wrapping or soldering Includes 100 feet of each color: red, black, white, blue, yellow, and green All spools come in a convenient dispenser box that keeps the wire clean and organized Outer diameter of insulation: approximately 0. 6mm This wire is commonly used in wire wrap circuit assembly, PCB rework, test jig, and other