The Electronic Specialties 70-pc Diagnostic Test and Terminal Set, No. 846, is a comprehensive test kit that features a variety of terminal adapter sets, back probes, clips, and test leads. The kit enables diagnostic and testing connections to most automotive vehicle connectors, both foreign and domestic. There are 52 pieces of terminal/connector adapters that connect via the included 48" stacking banana plug test leads, eight pieces of connector/sensor back probes that allow tapping of sensor signals and live readings, and 10 pieces of interchangeable test leads with probes, alligator, and crocodile clips. The kit is compatible with heavy duty, marine, equipment, off-road, and small engine applications.