FOXWELL OBDspace OBD2 OBD II Flat Ribbon 16Pin Male to Female Diagnostic Extension Convert Cable for Bluetooth WiFi ELM327 Readers OBDII Code Scanners 23.6 (inch) Obd2 16pin male to female cable 16PIN obd2 male to female Y cable is available to test cars for Two OBD diagnostic tool at the same time, it is the standard OBD 16 Pin Universal diagnostic interface. The obd2 16pin extension cable allows you to connect compatible diagnostic tools with a 16 pin socket.