No need to open the terminals, just push and pull the pins from the terminals. It provides extra leverage that you can easily pull out the wire. Function: They can effortlessly remove the wires from the wire harness connector terminals and add a new wire, which will not cause any damage. Material: steel and plastic. Flexible, resilient and durable. Compatible: The tool set is a universal tool suitable for most connection terminals that can be used for most cars, motorcycles and other electronic devices (such as household appliances). Package: This item includes 36 kinds of different types car plug terminal pullout repair tools. These are the best tools to satisfy the demand for device removal.