splittable jumper wires M2M/ F2M / F2F (100mm 40 pins) (120 pcs Câbles Dupont)
This is a splittable 3x40 pin jumper wire, it is super flexible, can be transformed from 1-40 pin jumper wire. With some of these, you will no need to worry about the jumper wires you got before do not fit your project, just split it and go.
Cables of 200mm,
M2M/ F2M / F2F
40 wires assembled as one splittable cable.