Rainbow Wire Wrap Thin 30 AWG Prototyping & Repair Wire

This stuff is called wire-wrap wire because it used to be used for wire-wrapping high-speed digital circuits on a special kind of contact board.

Wire Wrap Is alive And Well!

New Durable Wire Wrap Hand Tools Wsu-30M Wire Wrap Strip Unwrap

Ultra-Fine Stranded Wire Spool - 10 meters - 36AWG - Black : ID 4733 : Adafruit Industries, Unique & fun DIY electronics and kits

OK Industries - WSU-30M - Wire Wrapping, Modified, 30 AWG, 0.036 in. (Terminal Hole), 0.125 in., Modified - RS

Parts.

Wire Wrap Thin Prototyping & Repair Wire - 200m 30AWG Blue : ID

30-00335 Tensility International Corp, Cables, Wires

Ultra-Fine Stranded Wire Spool - 10 meters - 36AWG - Black : ID 4733 : Adafruit Industries, Unique & fun DIY electronics and kits

30-01251 Tensility International Corp, Cables, Wires

I repair farming equipment for a living. This is the mainboard