1INSULATION MATERIAL: The banana plug test line is made of soft PVC or PA insulation material, which is non toxic, environmentally friendly, will not deform at low temperatures and are resistant to high temperatures 2STACKABLE BANANA PLUGS: The stackable banana plugs at both ends and their accessories are made of excellent materials to ensure long term use. The body is made of copper and the shell is plastic. All are wear resistant and flexible enough to provide long lasting performance 3ACCESSORIES COMBINATION: The crocodile clip is Ni plated, can carry 300V voltage and 15A current. The test fork clamp is also Ni plated, can carry 60V voltage and 36A current. The car electrical testing back probe kit include 5 complete acupuncture probes and 10 replaceable needles 4WIDE APPLICATION: Banana plug test probe wires are suitable for electrical test with multimeter, electromechanical power supply, electric power, digital test and other electronic applications. Three accessories allow for more different electrical tests 5PACKAGE INCLUDE: Electrical multimeter test wire kit include 5pcs 4mm stackable banana plug test wire, 5pcs crocodile clips, 5pcs U type test fork clips, 5pcs complete acupuncture probes, and 10pcs replaceable probes 5 x Banana Plug Silicone Test Wire 5 x Crocodile Clip 5 x U Type Test Fork 5 x Acupuncture Probe 10 x Replaceable Probe