Features 4mm Socket: A 4mm standard female banana socket at the end can be connected to most test and diagnostic equipment for a wide range of applications. Safe and Easy to Operate: No need to cut the cable sheath, just pierce the wire cable sheath for testing, safe and reliable, very easy to use. Insulated Shell: The line probe has a PVC insulated housing, and holding the conductor provides a more secure connection and is completely safe to use. Portable: Wire piercing probes are compact and easy to fit into a toolbox, do not take up much space, and can be easily taken out to repair circuits at any time. Puncture Probe Set: This is a set of two, red and black, suitable for various circuit detection in cars, can be used for a long time, a practical car repair tool. Specification Item Type: Wire Piercing Probe Material: ABS Quantity: 2 Suitable for automotive circuit detection Package List 2 x Wire Piercing Probe