They allow an oscilloscope to be connected to a variety of components in the engine bay, without having to strip or pierce any insulation and without risk of damaging the connectors . The output signal from the other end of the 4mm banana plug of the cable through the input port of the HT30A test line access oscilloscope. The 6 channel multifunctional car cable (HT306) does not need to be equipped with many special cables for engine diagnosis . The cable is easy to access to existing automotive wiring harness, convenient to read signal from various sensors Boot cables are available with 4 different connector sizes: 0 6 mm, 1 5 mm, 2 3 mm and 2 8 mm, Weight: 0.220462262 pounds, Manufacturer: Taidda