ITEM NAME:40 x 10 female - female jumper plug / socket jumpers jumper wires A3K8 40 x 10 female - female jumper plug / socket jumpers jumper wires A3K8 Be used for electronic project and original Arduino product. Length: 10cm / 100mm / 3.94 Volume: a series of 40 St. Compatible with 2.54mm spacing pin headers Product Details: Durable and reusable Easy to install and use A popular choice for the construction or repair Material: Copper coated aluminum Package Included : 40 x 10cm female - female (plug-socket) jumpers Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.