ITEM NAME:40 Pcs Single Port Male to Male Jumper Wire 21.5cm Length J2Y1 40 Pcs Single Port Male to Male Jumper Wire 21.5cm Length J2Y1 Product Name : Jumper Wire;Type : 1 Pin M/M Plug Material : Copper Plated;Each Length(Approx) : 21.5cm/8.5" Pin Spacing : 2.54mm;Color : Colorful Weight : 36g 1Pin male to 1pin male header with both end, compatible with 2.54mm mil spacing pin headers. Can used for PCB project, pc motherboard etc. Allow you plug and unplug easily for prototyping. Package Content : 40 x Jumper Wire 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 +/- 1-3cm.