Features: Experience the convenience of uninterrupted testing with our 2mm Circuit Repair Probe, to preserve your test and ensures seamlessly connectivities. Crafted from quality coppers, and steel, this test hook offer precise measurements for accurate result in every use. Suitable for electronic engineers, manufacturers, and repair technicians, this tool is for professional who demand reliability in their testing and diagnostic tasks. Use: attach it to the banana plug and then the other end can hook onto the insulated wire, by turnings the black end of the clip the sharpness needle pierces the insulation to making contact with the conductors.(Damage is fairly minimal). Puncture clip allow the user to provide the precise pressure required to puncture the insulation of various wire types and size. Specifications: Component:Coppers/Steel Size:Approx.96x4mm/3.77x0.16inch Probe tip:2mm/0.08in, Package Includes: 1pc 2mm Circuit Repair Probe note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.