This break-out leads set allows a Oscilloscope to to connect to variety of components in the engine compartment, without having to strip or pierce any insulation and with no risk of damage to connectors. Each lead has six blades wired to six sockets, allowing you to insert it between a plug and socket pair, other end are six 'banana' (4 mm) sockets. With these 6-way leads, you will be able to test most of the sensors and actuators on all makes and models of vehicle, including MAP, temperature, throttle position and airflow sensors, fuel pumps, primary ignition circuits and fuel injectors.The 6-way Universal Breakout Leads are designed for use with Hantek 300 serials automotive oscilloscopes but you can use it with other makes, including Pico as well.