Quality USA made thick 22AWG Hook-up wire. Copper with PVC insulating jacket. Good current capability, great for running power into the ThunderBorg or connecting to motors.
Solid wire, not strands, so you are less likely to break the conductor when stripping off the insulation.
Jacket diameter 1.45mm, 300V rating -20 to 105 deg C UL Style 1007/1569, ASTM B-3.
Each unit is a single 1m in length. Available in 6 colours: