Features: The female and male adapter of the D-sub connector connection between the cable and connector is very easy to connect and creates permanent connections from cable to connector. The D-sub connectors are often used for serial port connections, which enable data transmission between devices, such as in computer serial ports and other widely used computer peripheral parallel ports. The D-sub connector is an electrical connector commonly used for serial port connections in mechanical equipment, CNC (Computer Numerical Control) machines, and computers. Specifications: Product Name: Female D-sub Connector Connector Type: Female Number of Positions: 9 Pin Distance: 2.7mm/0.1 inch Overall Size: 39mm x 36mm x 16mm/1.53 inch x 1.42 inch x 0.63 inch (L*W*H) Package Includes: 1 Set x D-sub Connectors