40 pin 20cm 1p-1p Male To Male Jumper Wire For Arduino/Raspberry Pi etc Breadboard Experimentation length : 20cm Male connectors for Arduino Raspberry Pi & other boards with breadboard experimemtation Male to male 1p-1p pin header Compatible with 2.54mm spacing pin headers 40pcs wires in one line Premium male to female jumper wires, 40 x 8 inch or 200mm 40 different wires with 4 pieces of each of 10 different rainbow colors Standard 0.1 inch (2.54mm) pitch Each wire is 28 AWG