Nooelec - Male to Female Jumper Wire Harness, 40-Pack, 20cm - Jumper Wire - Prototyping - Development
Amazon.com: 120pcs 20cm Multicolor Jumper Wires for Arduino/Raspberry Pi, 40 Male to Male, 40 Male to Female, 40 Female to Female by Corpco : Electronics
40 Conductor Male to Male Jumper for Arduino
Jump wire - Wikipedia
130pcs Solderless Flexible Breadboard Jumper Wires Male to Male for Arduino - Rexqualis Industries,Ingenious & fun DIY electronics and kits
40 Cables 30cm male male jumper dupont 2,54 arduino protoboard - AliExpress