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: Male D-sub Connector Connector Type: Male Number of Rows: 3 Overall Size: 69 x 34 x 20 mm/2.7 x 1.34 x 0.79 inch(L/W/H) Pin Distance:2.7 mm Package Includes: 2x Male Connectors, 3 x M3*16 self-tapping screws, 2 x M3*72 screws with half thread, 2 x white spacers.