This is the ideal Test Lead Kit for your automotive electrical testing requirements . It contains all the necessary connectors and wire to use as jumper leads or to test a wide variety of automotive electrical and electronic circuits. Kit has 48" heavy duty, highly flexible test leads . Banana plugs will fit standard banana plug receptacles as found in multimeters . Stainless steel probes have 8-32 thread to accept most other female threaded test lead accessories Supplied in a hangable plastic storage box.