Descriptions:* 40P Male to female jumper wire ribbon flat cable, 50cm long.* DURABILITY - Securely connected to the pins, quick circuit experiment.In the terminals have not damaged it can be reused.* MUTIPLE USES - Can be separated to form an assembly containing the number of wires you require for your connection and to support non-standard odd-spaced headers.* APPLICATION - For Arduino breadboard / Electronic projects / DIY experiment / PC motherboard / PCB project. Specification:Material: Copper WireMale to Female(40Pin)Pitch: 2.54mmWire Diameter: 1.4mm / 0.06"Total Size: 500 x 60mm / 19.69" x 2.36" (L*W) Package Content:1pcs x XH2.54 40pin Ribbon Wire