ITEM NAME:20 x Female 40pin 2.54mm Header Socket Row Strip PCB Connector Hot Descriptio n Description: Description: 100% brand new and high quality Strips of 40 straight single header pins Suitable for Ardunio DIY Best choice for you Specifications: Specification: Material: Metal+Plastic Color: As the picture shows Single size: Approx. 4.06*0.12*0.47inch/10.3*0.3*1.2cm Package Included: Package included: 20x Single Row Straight Female Header Connector Note: Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. Whatever the ending's perfect or not, you can't disappear from my world 20 x Female 40pin 2.54mm Header Socket Row Strip PCB Connector Hot.20x Single Row Straight Female Header Connector. Single size: Approx. Whatever the ending's perfect or not, you can't disappear from my world. Best choice for you. We want to make sure you are happy with our item.