Product Tag - 2.54mm 40P Female to Male Jumper Cable

Starte DuPont 40 Pin Male to Female Breadboard Jumper Wires has 0.1″ sockets on either end and fit cleanly next to each other on standard-pitch 0.1″ (2.54mm) header. Wires come in a 40-pin ribbon cable which you can either keep them together to neatly organize, or pull the ribbon wires off to make individual jumpers.