Package include: 50cm (19.7inch) / 40pin Female to Female jumper wires / 40pin Male to Female jumper wires / 40pin Male to Male jumper wires (Total 120pcs) Connector Type: Standard 2.54mm Pitch 1Pin-1Pin Dupont Housing Connector, with brass nickel plated terminals, provides excellent electrical conductivity and oxidation resistance. Cable length: 50cm (19.7 inch) / Cable material: 12-core pure copper wire Cable features: Separable multicolored (10 colors) softness ribbon cables For DIY experiment / Electronic projects / Arduino breadboard / PC motherboard / PCB project