I chose the shorter 10 cm length to fit in cases of small DIY projects like powerbanks and voltage regulators. Looks like quality connectors, maybe a little loose but ok especially for the price. See photos and video for a closer look of the wires and connectors.
1.40Pin colorful dupont line, male to female, male to male, female to female 2.Length : 10/20/30cm 3.1P-1P pin header 4.A row of 40 root 5.Compatible with 2.54mm spacing pin headers 6.Material: copper wire
Dimensions and Weight
Product weight: 0.0320 kg Package weight: 0.0350 kg