40Pcs 20 Cm (8 Inch) Female to Female Multicolored Dupont Wire Breadboard Jumper ✅Application: Copper wire provides excellent electrical conductivity and oxidation resistance. Application: Convenient, solderless breadboard for DIY, STEM, electronic, PCB and circuit designs. Why California JOS?. byJuly 3, 2026Last Updated on: July 5, 2026