Review on 🔌 REXQualis 120pcs 20cm Breadboard Jumper Wires Dupont Wire Kit - 40pin Male to Female, Male to Male, Female to Female for Arduino, DIY, Raspberry Pi 2 3 by Chris Bowden

Whether you're new to Arduino, use a breadboard, or just need a few extra Dupont jumpers, this bundle is perfect. all combinations (MM, MF, FF). None of them were defective and they don't feel cheap or fragile. My only complaint is that some of the sockets feel a bit looser than others - when used to connect to small jumpers (not Dupont wires). On the ESP-12F, some wires fit tightly into these Dupont sockets, while others were weaker and came out very easily. The reason I'm not deducting a star for this is because 1. they really aren't meant to be used as such and the connection cables I've used are pretty flimsy, and 2. they work perfectly as intended with no issues whatsoever the connection . other Dupont wires, breadboards or PCB connectors. I ended up buying another pack as they are extremely useful and even cheap enough to use as a permanent solution whenever you need break jumpers for a PCB or project. They are definitely essential if you are new to Arduino and breadboarding.