The AiM 712-712 male to female four pin patch lead has metal screw-on connectors. This is an extension cable with 4-pin Male and Female ends of various lengths. This cable style is typically used to connect sensors to the Channel Expansion Hub or extend the wiring of an existing component. This patch lead is usually used with the MXL Strada, MXL Pista and the EVO4 Data Logger to connect the Infrared lap timing receiver.