Non-rotating banana jack prevents leads from tangling, allowing you to tighten/loosen clamp while still connected to the test lead
Tested to 60 V DC
The Fluke TP84 Oxygen Sensor Insulation Piercing Clip has a long (30 cm, 12") piercing probe that extends your reach into a hot engine. This long probe keeps your hands away from the exhaust manifold.
The TP84 insulated body of the probe protects it from burning on a hot manifold.