This remote E3D v5 3D printer head (0.4 mm nozzle, 1.75 mm filament) is...
"1 Wire" 10 CM Male - Female
30 cm 1p Male to Female Wire
This M3x12mm hexagon pillar nut fits perfectly with the M3 hexagon pillars.
Those jumpers are ideal to be used for interconnecting different components on the breadboard. The wires are flexible, durable and re-utilizable. This set contains an assortment of about 66 randomly colored wire jumpers.