30WW-280. 8 color Wire Wrap Kynar Jumper AWG30 Solid, 280 Meters
It is used for wire-wrapping high-speed digital circuits on a special kind of contact board. It's pretty rare to see wire-wrapping in these days of low-cost PCB fabrication, but the wire is still really handy for prototyping work.
Material: Tin Plated Copper, Plastic
Size: 6.2cm x 3.1cm/2.4'' x 1.2''
Total length: 280m/11023''
Outer diameter of single core wire: 0.55mm
Diameter of Copper core: 0.25mm
Temperature resistance: 80 degrees
UL1423 rating
This wire wrap wire comes in 8 colors, 35 meters of each color for 280 meters total:
Red, Orange, Yellow, Green, Blue, Purple, Brown, Black.
You have to unwind it in parallel but you save from having to own 8 separate spools, how handy!